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{{short description|Motorised passenger road vehicle}}
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{{for-multi|the country with the initials "CAR"|Central African Republic|other uses|Car (disambiguation)|}}
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{{redirect2|Passenger car|Automobile|the railroad car that carries passengers|Passenger railroad car|the broader classification which includes trucks|Motor vehicle|other uses|Passenger car (disambiguation)|and|Automobile (disambiguation)}}
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<noinclude>{{pp-move}}
{{portal}}
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{{Use dmy dates|date=March 2024}}
{{redirect|Car}}
{{Use British English|date=September 2022}}
{{Infobox machine
| name = Car
| image = 2019 Toyota Corolla Icon Tech VVT-i Hybrid 1.8.jpg
| image_upright = 1.15
| caption = The ], which has been in production since 1966, is the ].
| classification = ]
| industry = Various
| application = ]
| fuel_source = {{unbulleted list
| ]
| ]
| ]
| ]
| ]
| ]
| ]
| ]
| ] of the above
}}
| powered = Yes
| self-propelled = Yes
| wheels = 3–6, most often 4
| axles = 2, less commonly 3
| invented = {{start date and age|1886|df=y|p=y}}
| inventor = ]
}}


A '''car''', or an '''automobile''', is a ] with ]s. Most definitions of cars state that they run primarily on ]s, ] one to eight people, have four ], and mainly transport ] over ].<ref>{{cite book|title=Pocket Oxford Dictionary|url=https://archive.org/details/australianpocket00john|url-access=registration|year=1976|publisher=Oxford University Press|isbn=978-0198611134|editor-last=Fowler|editor-first=H.W.|editor-last2=Fowler|editor-first2=F.G.}}</ref><ref name="OEDmotrcar"/> There are around one billion cars in use worldwide.
An '''automobile''' is a ]ed ] that carries its own ]. Different types of automobiles include cars, ]es, ]s, ]s, and ], with cars being the most popular. The term is derived from Greek 'autos' (''self'') and Latin 'movére' (''move''), referring to the fact that it 'moves by itself'. Earlier terms for automobile include '] and 'motor car'.
] there are 600 million cars worldwide (0.074 per capita), of which 220 million are located in the ] (0.75 per capita).


The French inventor ] built the first steam-powered road vehicle in 1769, while the Swiss inventor ] designed and constructed the first internal combustion-powered automobile in 1808. The modern car—a practical, marketable automobile for everyday use—was invented in 1886, when the German inventor ] patented his ]. Commercial cars became widely available during the 20th century. The 1901 ] and the 1908 ], both American cars, are widely considered the first mass-produced<ref>{{Cite news |date=1986-01-26 |title=SOME MILESTONES OF THE AUTO AGE |url=https://www.nytimes.com/1986/01/26/automobiles/some-milestones-of-the-auto-age.html |access-date=2023-06-01 |work=] |language=en-US |issn=0362-4331}}</ref><ref>{{Cite web |last=Birch |first=Ryan |date=2024-06-14 |title=Best American cars of all time - Oldsmobile Curved Dash |url=https://www.autoexpress.co.uk/best-cars/96471/oldsmobile-curved-dash |access-date=2024-08-10 |website=] |language=en}}</ref> and mass-affordable<ref>{{Cite news |title=1926 Ford Model T Sports Touring Car |url=https://www.washingtonpost.com/archive/business/2002/09/01/1926-ford-model-t-sports-touring-car/810e313f-4370-44b7-bb76-3282f9de945e/ |access-date=2023-06-01 |newspaper=] |language=en-US |issn=0190-8286}}</ref><ref>{{Cite web |date=2024-03-13 |title=Model T ‑ Ford, Car & Invented |url=https://www.history.com/topics/inventions/model-t |access-date=2024-08-10 |website=] |language=en}}</ref><ref>{{Cite web |last=Hoekstra |first=Kyle |date=2022-04-25 |title=Ford Model T: The Invention of the World's First Affordable Car |url=https://www.historyhit.com/ford-model-t-the-invention-of-the-worlds-first-affordable-car/ |access-date=2024-08-10 |website=History Hit |language=en-GB}}</ref> cars, respectively. Cars were rapidly adopted in the US, where they replaced ]s.<ref>{{Cite web|title=The Motor Vehicle, 1917|url=https://www.scientificamerican.com/article/the-motor-vehicle-1917-slide-show/|website=]|date=January 2017 |access-date=16 January 2023|archive-date=26 October 2022|archive-url=https://web.archive.org/web/20221026010646/https://www.scientificamerican.com/article/the-motor-vehicle-1917-slide-show/|url-status=live}}</ref> In Europe and other parts of the world, demand for automobiles did not increase until ].<ref name="history.com">{{Cite web|title=Automobile History|url=https://www.history.com/.amp/topics/inventions/automobiles|url-status=live|access-date=29 August 2021|website=]|date=21 August 2018 |archive-url=https://web.archive.org/web/20181127171255/https://www.history.com/.amp/topics/inventions/automobiles|archive-date=27 November 2018}}</ref> In the 21st century, car usage is still increasing rapidly, especially in China, India, and other ].<ref name="plunkettresearch.com22">{{cite web |title=Automobile Industry Introduction |url=http://www.plunkettresearch.com/Industries/AutomobilesTrucks/AutomobileTrends/tabid/89/Default.aspx |archive-url=https://web.archive.org/web/20110722031051/http://www.plunkettresearch.com/automobiles%20trucks%20market%20research/industry%20overview |archive-date=22 July 2011 |publisher=Plunkett Research}}</ref><ref>{{Cite web |last=Smith |first=Matthew Nitch |date=2016-04-22 |title=The number of cars worldwide is set to double by 2040 |url=https://www.weforum.org/agenda/2016/04/the-number-of-cars-worldwide-is-set-to-double-by-2040/ |website=]}}</ref>
The automobile was hailed as an environmental improvement over horses when it was first introduced. Before its introduction, in New York City, over 10,000 tons of manure had to be removed from the streets daily.


Cars have controls for ], ], ] comfort, and a variety of ]s. Over the decades, additional features and controls have been added to vehicles, making them progressively more complex. These include ], ], ], and ]. Most cars in use in the early 2020s are propelled by an ], fueled by the ] of ]s. ]s, which were invented early in the ], became commercially available in the 2000s and are predicted to cost less to buy than petrol-driven cars before 2025.<ref>{{Cite web|url=https://cleantechnica.com/2019/08/09/ev-price-parity-coming-soon-claims-vw-executive/|title=EV Price Parity Coming Soon, Claims VW Executive|date=9 August 2019|website=]|language=en-US|access-date=10 August 2019|archive-date=14 September 2019|archive-url=https://web.archive.org/web/20190914140203/https://cleantechnica.com/2019/08/09/ev-price-parity-coming-soon-claims-vw-executive/|url-status=live}}</ref><ref>{{Cite web|url=https://www.britishgas.co.uk/the-source/our-world-of-energy/energys-grand-journey/Electric-v-Petrol|title=Electric V Petrol|publisher=British Gas|access-date=18 October 2019|archive-url=https://web.archive.org/web/20191018123644/https://www.britishgas.co.uk/the-source/our-world-of-energy/energys-grand-journey/Electric-v-Petrol|archive-date=18 October 2019|url-status=dead}}</ref> The transition from fossil fuel-powered cars to electric cars features prominently in most ],<ref>{{Cite web|date=13 May 2019|title=Factcheck: How electric vehicles help to tackle climate change|url=https://www.carbonbrief.org/factcheck-how-electric-vehicles-help-to-tackle-climate-change|access-date=28 July 2020|website=Carbon Brief|language=en|archive-date=25 August 2021|archive-url=https://web.archive.org/web/20210825135817/https://www.carbonbrief.org/factcheck-how-electric-vehicles-help-to-tackle-climate-change|url-status=live}}</ref> such as ]'s 100 actionable solutions for climate change.<ref>{{Cite web|date=6 February 2020|title=Electric Cars @ProjectDrawdown #ClimateSolutions|url=https://www.drawdown.org/solutions/electric-cars|access-date=20 November 2020|website=Project Drawdown|language=en|archive-date=27 November 2020|archive-url=https://web.archive.org/web/20201127115601/https://www.drawdown.org/solutions/electric-cars|url-status=live}}</ref>
]


There are ]. The costs to the individual include acquiring the vehicle, interest payments (if the car is financed), repairs and ], fuel, ], driving time, parking fees, taxes, and ].<ref name="racv">{{cite web|url=http://www.racv.com.au/wps/wcm/connect/racv/Internet/Primary/my+car/advice+_+information/vehicle+operating+costs/|title=Car Operating Costs|publisher=RACV|access-date=22 December 2009|url-status=dead|archive-url=https://web.archive.org/web/20091007121101/http://www.racv.com.au/wps/wcm/connect/racv/Internet/Primary/my%2Bcar/advice%2B_%2Binformation/vehicle%2Boperating%2Bcosts/|archive-date=7 October 2009}}</ref> The costs to society include maintaining roads, ], ], ], ], ], and ]. ] are the largest cause of injury-related deaths worldwide.<ref name="who_stats">{{cite book|url=http://who.int/violence_injury_prevention/publications/road_traffic/world_report/en/|access-date=24 June 2008|editor1-last=Peden|editor1-first=Margie|editor2-last=Scurfield|editor2-first=Richard|editor3-last=Sleet|editor3-first=David|editor4-last=Mohan|editor4-first=Dinesh|editor5-last=Hyder|editor5-first=Adnan A.|editor6-last=Jarawan|editor6-first=Eva|editor7-last=Mathers|editor7-first=Colin|title=World report on road traffic injury prevention|year=2004|publisher=World Health Organization|isbn=92-4-156260-9|archive-date=4 May 2008|archive-url=https://web.archive.org/web/20080504041955/http://www.who.int/violence_injury_prevention/publications/road_traffic/world_report/en/|url-status=live}}</ref> Personal benefits include on-demand transportation, mobility, independence, and convenience.<ref name="setright"/> Societal benefits include economic benefits, such as job and wealth creation from the ], transportation provision, societal well-being from leisure and travel opportunities. People's ability to move flexibly from place to place has ].<ref name="parking">{{cite book|title=Lots of Parking: Land Use in a Car Culture|first1=John A.|last1=Jakle|first2=Keith A.|last2=Sculle|year=2004|isbn=0-8139-2266-6|publisher=University of Virginia Press}}</ref>

==Etymology==
<!-- The derivation below has been revised to agree with the information on the Wiktionary page. -->
The ] word ''car'' is believed to originate from ] {{Wikt-lang|la|carrus}}/{{Wikt-lang|la|carrum}} "wheeled vehicle" or (via ]) ] ''{{Lang|enm|carre}}'' "two-wheeled cart", both of which in turn derive from ] ''{{Lang|xtg|karros}}'' "]".<ref>{{cite web|title=Car|work=(etymology)|publisher=Online Etymology Dictionary|url=http://www.etymonline.com/index.php?term=car|access-date=2 June 2008|archive-url=https://web.archive.org/web/20080306042326/http://www.etymonline.com/index.php?term=car|archive-date=6 March 2008|url-status=live}}</ref><ref name="Carrus">{{cite web|url=http://www.lib.wayne.edu/resources/special_collections/local/cfai/index.php|title=Wayne State University and The Detroit Public Library Present "Changing Face of the Auto Industry"|publisher=Wayne State University|date=28 June 2003|url-status=dead|archive-url=https://web.archive.org/web/20030628171058/http://www.lib.wayne.edu/resources/special_collections/local/cfai/index.php|archive-date=28 June 2003}}</ref> It originally referred to any wheeled ], such as a ], ], or ].<ref name="OEDcar">{{cite web|url=http://www.oed.com/view/Entry/27674?rskey=Bp4Ib4&result=1&isAdvanced=false#eid|title=car, n.1|publisher=Oxford University Press|work=OED Online|date=September 2014|access-date=29 September 2014|archive-date=8 December 2014|archive-url=https://web.archive.org/web/20141208001003/http://www.oed.com/view/Entry/27674?rskey=Bp4Ib4&result=1&isAdvanced=false#eid|url-status=live}}</ref><ref>{{cite web|url=http://www.wales.ac.uk/geiriadur/pdf/GPC0018-02.pdf|title=A dictionary of the Welsh language|publisher=University of Wales|access-date=15 June 2016|archive-date=6 October 2014|archive-url=https://web.archive.org/web/20141006071719/http://www.wales.ac.uk/geiriadur/pdf/GPC0018-02.pdf|url-status=live}}</ref>

"Motor car", attested from 1895, is the usual formal term in ].<ref name="OEDmotrcar">{{cite web|url=http://www.oed.com/view/Entry/122742#eid35698343|title=motor car, n.|publisher=Oxford University Press|work=OED Online|date=September 2014|access-date=29 September 2014|archive-date=8 December 2014|archive-url=https://web.archive.org/web/20141208000946/http://www.oed.com/view/Entry/122742#eid35698343|url-status=live}}</ref> "Autocar", a variant likewise attested from 1895 and literally meaning "] car", is now considered archaic.<ref name="OEDautocar">{{cite web|url=http://www.oed.com/view/Entry/13368?redirectedFrom=autocar#eid32737946|title=auto-, comb. form2|publisher=Oxford University Press|work=OED Online|date=September 2014|access-date=29 September 2014|archive-date=8 December 2014|archive-url=https://web.archive.org/web/20141208000942/http://www.oed.com/view/Entry/13368?redirectedFrom=autocar#eid32737946|url-status=live}}</ref> "]" is attested from 1895.<ref>{{cite web|title=Definition of horseless carriage|url=http://www.merriam-webster.com/dictionary/horseless+carriage|access-date=23 November 2015|publisher=Merriam-Webster|archive-date=13 June 2015|archive-url=https://web.archive.org/web/20150613031330/http://www.merriam-webster.com/dictionary/horseless+carriage|url-status=live}}</ref>

"Automobile", a ] derived from ] ''{{Lang|grc-latn|autós}}'' ({{Lang|grc-Grek|αὐτός|italic=no}}) "self" and Latin ''{{Lang|la|mobilis}}'' "movable", entered English from ] and was first adopted by the ] in 1897.<ref>{{cite news|title=Prospective Arrangements|periodical=The Times|date=4 December 1897|page=13}}</ref> It fell out of favour in Britain and is now used chiefly in ],<ref name="OEDautomob">{{cite web|url=http://www.oed.com/view/Entry/13480?rskey=9jBC3i&result=1&isAdvanced=false#eid|title=automobile, adj. and n.|publisher=Oxford University Press|work=OED Online|date=September 2014|access-date=29 September 2014|archive-date=8 December 2014|archive-url=https://web.archive.org/web/20141208001009/http://www.oed.com/view/Entry/13480?rskey=9jBC3i&result=1&isAdvanced=false#eid|url-status=live}}</ref> where the abbreviated form "auto" commonly appears as an adjective in compound formations like "]" and "]".<ref>{{cite web|url=http://dictionary.cambridge.org/dictionary/english/auto|title=Definition of "auto"|work=Cambridge Dictionary|access-date=19 August 2015|archive-date=15 September 2015|archive-url=https://web.archive.org/web/20150915173557/http://dictionary.cambridge.org/dictionary/english/auto|url-status=live}}</ref><ref>{{cite web|title=Definition of auto|url=http://www.merriam-webster.com/dictionary/auto|access-date=23 November 2015|publisher=Merriam-Webster|archive-date=10 September 2015|archive-url=https://web.archive.org/web/20150910031842/http://www.merriam-webster.com/dictionary/auto|url-status=live}}</ref>


==History== ==History==
{{Main|History of the automobile}}{{Overly detailed|section|details=detail should be moved to main article and summarized here|date=September 2022}}])]]
{{main|History of the automobile}}
], Paris]]
], the inventor of the modern car]]
], the first modern car, built in 1885 and awarded the patent for the concept]]
], the first long distance driver]]
] was the first four-wheeled electric car]]
], a cradle of the car<ref>{{cite web|url=https://goeasyberlin.de/en/blog/trips/stuttgart-automobile-empire/|title=Dimitris' Diary: Stuttgart, cradle of the automobile and the imperial family|author=Dimitris|website=Go Easy Berlin|location=Germany|date=16 July 2016|access-date=22 November 2023}}</ref><ref>{{cite web|url=https://installations.militaryonesource.mil/in-depth-overview/usag-stuttgart|title=USAG Stuttgart|website=Military One Source|location=US|date=17 August 2023|access-date=22 November 2023}}</ref> with ] and ] working there at the ] and place of the modern day headquarters of ] and ]]]


In 1649, ] of ] built a clockwork-driven carriage.<ref>{{Cite book |last=Barker |first=Theo |author-link=Theo Barker |title=The Economic and Social Effects of the Spread of Motor Vehicles: An International Centenary Tribute |publisher=Palgrave Macmillan |year=1987 |isbn=978-1349086269 |edition=1st |page=55}}</ref><ref>{{Cite web |title=A broadside on a clockwork carriage built by Hans Hautsch |url=https://www.britishmuseum.org/collection/object/P_1880-0710-922 |access-date=2024-05-28 |publisher=British Museum}}</ref> The first steam-powered vehicle was designed by ], a ] member of a ] around 1672. It was a {{convert|65|cm|in|-long|adj=mid}} scale-model toy for the ] that was unable to carry a driver or a passenger.<ref name="setright">{{cite book|last=Setright|first=L. J. K.|title=Drive On!: A Social History of the Motor Car|publisher=Granta Books|year=2004|isbn=1-86207-698-7}}</ref><ref>{{cite web|title=1679-1681–R P Verbiest's Steam Chariot|work=History of the Automobile: origin to 1900|publisher=Hergé|url=http://users.skynet.be/tintinpassion/VOIRSAVOIR/Auto/Pages_auto/Auto_001.html|access-date=8 May 2009|archive-date=3 March 2016|archive-url=https://web.archive.org/web/20160303185735/http://users.skynet.be/tintinpassion/VOIRSAVOIR/Auto/Pages_auto/Auto_001.html|url-status=dead}}</ref><ref name="CuriousExp">{{cite web|title=A brief note on Ferdinand Verbiest|publisher=Curious Expeditions|date=2 July 2007|url=http://curiousexpeditions.org/?p=52|access-date=18 April 2008|archive-url=https://web.archive.org/web/20130310071024/http://www.curiousexpeditions.org/?p=52|archive-date=10 March 2013}}&nbsp;– The vehicle pictured is the 20th century diecast model made by Brumm, of a later vehicle, not a model based on Verbiest's plans.</ref> It is not known with certainty if Verbiest's model was successfully built or run.<ref name="CuriousExp"/>
The modern automobile powered by the Otto gasoline engine was invented in ] by ]. Even though Karl Benz is credited with the invention of the modern automobile, several German engineers worked on building automobiles at the same time. These inventors are: ], who was granted a patent dated ], ] in ] for the vehicle he built in 1885, ] and ] in ] in 1888 (also inventors of the first motor bike), and in 1888/89 ]-] inventor ] in ], although Marcus didn't go beyond the prototype stage.
{{Automobile history eras}}


] is widely credited with building the first full-scale, self-propelled mechanical vehicle in about 1769; he created a steam-powered tricycle.<ref name="Encyclopædia Britannica">{{cite encyclopedia|title=Nicolas-Joseph Cugnot|url=https://www.britannica.com/EBchecked/topic/145966/Nicolas-Joseph-Cugnot|encyclopedia=Encyclopædia Britannica|access-date=2 June 2022|archive-date=29 April 2015|archive-url=https://web.archive.org/web/20150429131542/http://www.britannica.com/EBchecked/topic/145966/Nicolas-Joseph-Cugnot|url-status=live}}</ref> He also constructed two steam tractors for the French Army, one of which is preserved in the ].<ref name="Encyclopædia Britannica"/> His inventions were limited by problems with water supply and maintaining steam pressure.<ref name="Encyclopædia Britannica"/> In 1801, ] built and demonstrated his ] road locomotive, believed by many to be the first demonstration of a steam-powered road vehicle. It was unable to maintain sufficient steam pressure for long periods and was of little practical use.
==='''Steam powered vehicles'''===
]ed self-propelled cars were devised in the late ]. The first self-propelled car was built by ] in 1769, it could attain speeds of up to 6&nbsp;km/h (3.7 mi/h). In 1771 he designed another steam-driven car, which ran so fast that it rammed into a wall, producing the world's first ].


The development of external combustion (steam) engines is detailed as part of the history of the car but often treated separately from the development of true cars. A variety of steam-powered road vehicles were used during the first part of the 19th century, including ]s, ]es, ], and ]s. In the United Kingdom, sentiment against them led to the ] of 1865.
===The internal combustion engine===
]In 1806 ], a Swiss, designed the first ] (sometimes abbreviated "ICE" today). He subsequently used it to develop the world's first vehicle to run on such an engine that used a mixture of ] and ] to generate ]. The design was not very successful, as was the case with the British inventor, Brown, and the American inventor, Morey, who produced vehicles powered by clumsy internal combustion engines about 1826.


In 1807, ] and his brother Claude created what was probably the world's first ] (which they called a ]), but installed it in a boat on the river ] in France.<ref name="NieMus">{{cite web|author=speos.fr|url=http://niepce.house.museum/pagus/pagus-other.html|title=Niepce Museum, Other Inventions|publisher=Niepce.house.museum|access-date=26 August 2010|url-status=dead|archive-url=https://web.archive.org/web/20051220092838/http://niepce.house.museum/pagus/pagus-other.html|archive-date=20 December 2005}}</ref> Coincidentally, in 1807, the Swiss inventor ] designed his own "]", and used it to develop the world's first vehicle to be powered by such an engine. The Niépces' Pyréolophore was fuelled by a mixture of ] (dried spores of the ] plant), finely crushed coal dust and resin that were mixed with oil, whereas de Rivaz used a mixture of ] and ].<ref name="NieMus"/> Neither design was successful, as was the case with others, such as ], ], and ],<ref name="Ford-Lenoir">{{cite web|url=https://digitalcollections.detroitpubliclibrary.org/islandora/object/islandora%3A248374/|title=Henry Ford posing in Ford-Lenoir automobile|last=Lazarnick|first=Nick|publisher=detroit public library|date=30 July 1907|access-date=20 February 2023|archive-date=20 February 2023|archive-url=https://web.archive.org/web/20230220131139/https://digitalcollections.detroitpubliclibrary.org/islandora/object/islandora:248374/|url-status=live}}</ref> who each built vehicles (usually adapted carriages or carts) powered by internal combustion engines.<ref name="stein">{{cite book|title=The Automobile Book|publisher=Paul Hamlyn|year=1967|first=Ralph|last=Stein}}</ref>
] produced the first successful internal combustion engine in 1860, and within a few years, about four hundred were in operation in ]. About 1863, Lenoir installed his engine in a vehicle. It seems to have been powered by city lighting-gas in bottles, and was said by Lenoir to have "travelled more slowly than a man could walk, with breakdowns being frequent." Lenoir, in his patent of 1860, included the provision of a carburettor, so liquid fuel could be substituted for gas, particularly for mobile purposes in vehicles. Lenoir is said to have tested liquid fuel, such as alcohol, in his stationary engines; but it doesn't appear that he used them in his own vehicle. If he did, he most certainly didn't use gasoline, as this was not well-known and was considered a waste product.


In November 1881, French inventor ] demonstrated a three-wheeled car powered by electricity at the ].<ref>{{cite book|last=Wakefield|first=Ernest H.|title=History of the Electric Automobile|publisher=Society of Automotive Engineers|year=1994|isbn=1-56091-299-5|pages=2–3}}</ref> Although several other German engineers (including ], ], and ]) were working on cars at about the same time, the year 1886 is regarded as the birth year of the modern car—a practical, marketable automobile for everyday use—when the German ] patented his ]; he is generally acknowledged as the inventor of the car.<ref name="stein"/><ref name="Daimler8586">{{Cite web|title=1885–1886. The first automobile|url=https://www.daimler.com/company/tradition/company-history/1885-1886.html|url-status=live|archive-url=https://web.archive.org/web/20181021003344/https://www.daimler.com/company/tradition/company-history/1885-1886.html|archive-date=21 October 2018|access-date=30 July 2021|publisher=Daimler}}</ref><ref name="GarrisonEG">{{Cite book|last=Garrison|first=Ervan G.|title=History of Engineering and Technology: Artful Methods|publisher=Routledge|year=2018|isbn=978-1351440486|pages=272}}</ref>
The next innovation occurred in the late 1860s, with ], a German working in ], Austria. He developed the idea of using gasoline as a fuel in a two-stroke internal combustion engine. In 1870, he built a crude vehicle with no seats, steering, or brakes, but it was remarkable for one reason: it was the world's first internal-combustion-engine-powered vehicle fueled by ]. It was tested in Vienna in September of 1870. In 1888 or 1889, he built a second automobile, this one with seats, brakes, and steering, and included a four-stroke engine of his own design.


In 1879, Benz was granted a patent for his first engine, which had been designed in 1878. Many of his other inventions made the use of the internal combustion engine feasible for powering a vehicle. His first ''Motorwagen'' was built in 1885 in ], Germany. He was awarded the patent for its invention as of his application on 29 January 1886 (under the auspices of his major company, ], which was founded in 1883). Benz began promotion of the vehicle on 3 July 1886, and about 25 Benz vehicles were sold between 1888 and 1893, when his first four-wheeler was introduced along with a cheaper model. They also were powered with ] engines of his own design. Emile Roger of France, already producing Benz engines under license, now added the Benz car to his line of products. Because France was more open to the early cars, initially more were built and sold in France through Roger than Benz sold in Germany. In August 1888, ], the wife and business partner of Carl Benz, undertook the first ] by car, to prove the road-worthiness of her husband's invention.<ref>{{Cite web |title=Bertha Benz Hits the Road, 125 Years Ago – History in the Headlines |url=http://www.history.com/news/bertha-benz-hits-the-road-125-years-ago |url-status=dead |archive-url=https://web.archive.org/web/20150924041731/http://www.history.com/news/bertha-benz-hits-the-road-125-years-ago |archive-date=24 September 2015 |access-date=13 October 2015 |website=History.com}}</ref>
The four-stroke engine already had been documented and patented in 1862 by the Frenchman ] in a long-winded and rambling pamphlet. He printed about three hundred copies of his pamphlet and they were distributed in Paris, but nothing came of this, with the patent expiring soon after and the pamphlet disappearing into total obscurity. In fact, its existence mostly was unknown and Beau de Rochas never built a single engine.


In 1896, Benz designed and patented the first internal-combustion ], called ''boxermotor''. During the last years of the 19th century, Benz was the largest car company in the world with 572 units produced in 1899 and, because of its size, Benz & Cie., became a ]. The first motor car in central Europe and one of the first factory-made cars in the world, was produced by Czech company Nesselsdorfer Wagenbau (later renamed to ]) in 1897, the ] automobil.
Most historians agree that ] of Germany built the world's first four-stroke engine although his patent was voided. He knew nothing of Beau de Rochas's patent or idea, and came upon the idea entirely on his own. In fact, he began thinking about the concept in 1861, but abandoned the it until the mid-1870s. There is some evidence, although not conclusive, that one ], an Austrian living in Germany, had built a four-stroke engine entirely on his own by 1873. Reithmann had been experimenting with internal combustion engines as early as 1852.


Daimler and Maybach founded ] (DMG) in ] in 1890, and sold their first car in 1892 under the brand name ''Daimler''. It was a horse-drawn stagecoach built by another manufacturer, which they retrofitted with an engine of their design. By 1895, about 30&nbsp;vehicles had been built by Daimler and Maybach, either at the Daimler works or in the Hotel Hermann, where they set up shop after disputes with their backers. Benz, Maybach, and the Daimler team seem to have been unaware of each other's early work. They never worked together; by the time of the merger of the two companies, Daimler and Maybach were no longer part of DMG. Daimler died in 1900 and later that year, Maybach designed an engine named ''Daimler-Mercedes'' that was placed in a specially ordered model built to specifications set by ]. This was a production of a small number of vehicles for Jellinek to race and market in his country. Two years later, in 1902, a new model DMG car was produced and the model was named Mercedes after the Maybach engine, which generated 35&nbsp;hp. Maybach quit DMG shortly thereafter and opened a business of his own. Rights to the ''Daimler'' brand name were sold to other manufacturers.
In 1883, ] and ] of France installed an internal combustion engine powered by a tank of city gas on a tricycle. As they tested the vehicle, the tank hose came loose, resulting in an explosion. In 1884, Delamare-Deboutteville and Malandin built and patented a second vehicle. This one consisted of two four-stroke, liquid-fueled engines mounted on an old four-wheeled horse cart. The patent, and presumably the vehicle, contained many innovations, some of which wouldn't be used for decades. However, during the vehicle's first test, the frame broke apart, the vehicle literally "shaking itself to pieces," in Malandin's own words. No more vehicles were built by the two men. Their venture went completely unnoticed and their patent unexploited. Knowledge the vehicles and experiments was obscured until years later.


In 1890, ] and ] of France began producing vehicles with Daimler engines, and so laid the foundation of the ]. In 1891, ] and his Peugeot colleague Louis Rigoulot completed the longest trip by a petrol-driven vehicle when their self-designed and built Daimler powered ] completed {{convert|2100|km|mi}} from ] to Paris and Brest and back again. They were attached to the first ] bicycle race, but finished six days after the winning cyclist, ].
Supposedly in the late 1870s, an ] named ] patented the idea of installing an internal combustion engine on a vehicle, although there is no evidence that one was built. In 1884, ], another Italian, installed an internal combustion engine on his son's tricycle. Although merely a toy, it is said to have operated somewhat successfully in one source, but another says the engine's power was too feeble to make the vehicle move.


The first design for an American car with a petrol internal combustion engine was made in 1877 by ] of ]. Selden applied for a patent for a car in 1879, but the patent application expired because the vehicle was never built. After a delay of 16 years and a series of attachments to his application, on 5 November 1895, Selden was granted a US patent ({{US patent|549160}}) for a ] car engine, ], development of cars in the United States. His patent was challenged by ] and others, and overturned in 1911.
If all of the above experiments hadn't taken place, however, the development of the automobile wouldn't have been retarded by so much as a moment, since they were unknown experiments that never advanced beyond the testing stage. The internal-combustion-engine automobile really can be said to have begun in ] with Karl Benz in 1885 and Gottlieb Daimler in 1886, for their vehicles were successful, they went into series-production, and they inspired others.


In 1893, the first running, petrol-driven ] was built and road-tested by the ] of ]. The first public run of the ] took place on 21 September 1893, on Taylor Street in ] Springfield.<ref name="ausbcomp.com">{{cite web|url=http://www.ausbcomp.com/~bbott/cars/carhist.htm|title=The First Car – A History of the Automobile|publisher=Ausbcomp.com|access-date=17 July 2011|archive-url=https://web.archive.org/web/20110716152705/http://www.ausbcomp.com/~bbott/cars/carhist.htm|archive-date=16 July 2011|url-status=dead}}</ref><ref>{{cite web|url=http://inventors.about.com/od/dstartinventors/a/DuryeaBrothers.htm|archive-url=https://archive.today/20120710163343/http://inventors.about.com/od/dstartinventors/a/DuryeaBrothers.htm|url-status=dead|archive-date=10 July 2012|title=The Duryea Brothers – Automobile History|publisher=Inventors.about.com|date=16 September 2010|access-date=17 July 2011}}</ref> ], subsidiary of a long-established wagon and coach manufacturer, started to build cars in 1897<ref name="Longst">{{cite book|title=A Century on Wheels: The Story of Studebaker|last=Longstreet|first=Stephen|publisher=Henry Holt|location=New York|page=121|id=1st edn., 1952}}</ref>{{rp||page=66}} and commenced sales of electric vehicles in 1902 and petrol vehicles in 1904.<ref>{{cite book|last=Clymer|first=Floyd|title=Treasury of Early American Automobiles, 1877–1925|location=New York|publisher=Bonanza Books|year=1950|page=178}}</ref>
]


In Britain, there had been several attempts to build steam cars with varying degrees of success, with ] even attempting a production run in 1860.<ref name="V&VCars">{{cite book|last=Burgess Wise|first=D.|title=Veteran and Vintage Cars|year=1970|publisher=Hamlyn|location=London|isbn=0-600-00283-7}}</ref> ] from Malvern is recognised by the Veteran Car Club of Great Britain as having made the first petrol-driven car in the country in 1894,<ref name="Beaulieu">{{cite book|last=Georgano|first=N.|title=Beaulieu Encyclopedia of the Automobile|year=2000|publisher=HMSO|location=London|isbn=1-57958-293-1}}</ref> followed by ] in 1895, but these were both one-offs.<ref name="Beaulieu"/> The first production vehicles in Great Britain came from the ], a company founded by ] in 1896, after purchasing the right to use the name of the engines. Lawson's company made its first car in 1897, and they bore the name Daimler.<ref name="Beaulieu"/>
] began to work on new engine patents in 1878. First, he concentrated all his efforts on creating a reliable two-stroke gas engine, based on Nikolaus Otto's design of the four-stroke engine. A patent on the design by Otto had been declared void. Benz finished his engine on New Year's Eve and was granted a patent for it in 1879. Benz built his first three-wheeled car in 1885 and it was granted a patent in ], dated January of 1886. He built improved versions in 1886 and 1887 and went into production in 1888—the world's first vehicle put into production. Approximately twenty-five were built before 1893, when his first four-wheeler was introduced. They were powered with four-stroke engines of his own design. ] of ], already producing Benz engines under license, now added the Benz automobile to his line of products. Because France was more open to the early automobiles, in general, more were built and sold in France through Roger, than Benz sold initially from his own ] in Germany.


In 1892, German engineer ] was granted a patent for a "New Rational Combustion Engine". In 1897, he built the first ].<ref name="stein"/> Steam-, electric-, and petrol-driven vehicles competed for a few decades, with petrol internal combustion engines achieving dominance in the 1910s. Although various ] designs have attempted to compete with the conventional ] and ] design, only ]'s version of the ] has had more than very limited success. All in all, it is estimated that over 100,000&nbsp;patents created the modern automobile and motorcycle.<ref name="TICCIHturin">{{cite web|url=http://ticcih.org/turin-charter-ratified-by-fiva-federation-internationale-des-vehicules-anciens/|title=Turin Charter ratified by FIVA|archive-url=https://web.archive.org/web/20180311151521/http://ticcih.org/turin-charter-ratified-by-fiva-federation-internationale-des-vehicules-anciens/|archive-date=11 March 2018|url-status=live|last=Jerina|first=Nataša G.|date=May 2014|publisher=TICCIH|access-date=11 March 2018}}</ref>
], in 1886, fitted a horse carriage with his four-stroke engine in ]. In 1889, he built two vehicles from scratch, with several innovations. From 1890 to 1895 about thirty vehicles were built by Daimler and his innovative assistant, Maybach, either at the Daimler works or in the Hotel Hermann, where they set up shop after having a falling out with their backers. These two Germans, Benz and Daimler, seem to have been unaware of the early work of each other and worked independantly. During the First World War, Benz suggested a co-operative effort between the companies the two founded, but it was not until 1926 that the companies united under the name of Daimler-Benz with a commitment to remain together under that name until the year 2000.


==Mass production==
In 1890, ] and ] of ] began series-producing vehicles with Daimler engines, and so laid the foundation of the motor industry in France. They were inspired by Daimler's Stalhradwagen of 1889, which was exhibited in Paris in 1889.
{{See also|Automotive industry}}
] founded ] (Oldsmobile) in 1897.]]
]
] is the ].]]


Large-scale, ] manufacturing of affordable cars was started by ] in 1901 at his ] factory in ], and based upon stationary ] techniques pioneered by ] at the ], England, in 1802. The assembly line style of mass production and interchangeable parts had been pioneered in the US by ] in 1821, at the ] in ].<ref>{{cite web|url=http://www.engr.sjsu.edu/pabacker/industrial.htm|title=Industrialization of American Society|publisher=Engr.sjsu.edu|access-date=17 July 2011|url-status=dead|archive-url=https://web.archive.org/web/20100919085515/http://www.engr.sjsu.edu/pabacker/industrial.htm|archive-date=19 September 2010}}</ref> This concept was greatly expanded by ], beginning in 1913 with the world's first ''moving'' assembly line for cars at the ].
The first American automobile with gasoline-powered ]s supposedly was designed in 1877 by ] of ], who applied for a patent on an automobile in 1879. Selden didn't build a single automobile until 1905, when he was forced to do so, due to a lawsuit. Selden received his patent and later sued the ] for infringing his patent. ] was notorious for opposing the American patent system and Selden's case against Ford went all the way to the ], which ruled that Ford, and anyone else, was free to build automobiles without paying royalties to Selden, since automobile technology had improved significantly since Selden's patent and no one was building according to his earlier designs.


As a result, Ford's cars came off the line in 15-minute intervals, much faster than previous methods, increasing productivity eightfold, while using less manpower (from 12.5&nbsp;manhours to 1&nbsp;hour 33&nbsp;minutes).<ref name="Georgano">{{cite book|last=Georgano|first=G. N.|title=Vintage Cars 1886 to 1930|year=2000|publisher=AB Nordbok|location=Sweden|isbn=1-85501-926-4}}</ref> It was so successful, ] became a bottleneck. Only ] would dry fast enough, forcing the company to drop the variety of colours available before 1913, until fast-drying ] ] was developed in 1926. This is the source of Ford's ] remark, "any color as long as it's black".<ref name="Georgano"/> In 1914, an assembly line worker could buy a Model T with four months' pay.<ref name="Georgano"/>
Meanwhile, notable advances in steam power evolved in ], ] by the ]. It was here that the term ] was first used. It also was in Birmingham that the first British four-wheel ]-driven automobiles were built in 1895 by ]. Lanchester also patented the ] in that city. ]s were produced by a small number of manufacturers.


Ford's complex safety procedures—especially assigning each worker to a specific location instead of allowing them to roam about—dramatically reduced the rate of injury.<ref>{{Cite book|url=|title=The encyclopedia of the industrial revolution in world history|publisher=Rowman & Littlefield Publishers|year=2014|isbn=978-0-8108-8888-3|editor-last=Hendrickson|editor-first=Kenneth E.|location=Lanham|oclc=913956423}}</ref> The combination of high wages and high efficiency is called "]" and was copied by most major industries. The efficiency gains from the assembly line also coincided with the economic rise of the US. The assembly line forced workers to work at a certain pace with very repetitive motions which led to more output per worker while other countries were using less productive methods.
===Innovation===
] ], 1927]]
The first automobile ] in the ] was granted to ] in 1789; in 1804 Evans demonstrated his first successful self-propelled vehicle, which not only was the first automobile in the US but was also the first ], as his steam-powered vehicle was able to travel on ]s on land and via a ] in the water.


In the automotive industry, its success was dominating, and quickly spread worldwide seeing the founding of Ford France and Ford Britain in 1911, Ford Denmark 1923, Ford Germany 1925; in 1921, ] was the first native European manufacturer to adopt the production method. Soon, companies had to have assembly lines, or risk going bankrupt; by 1930, 250 companies which did not, had disappeared.<ref name="Georgano"/>
In 1888, a major breakthrough came with the historic drive of ]. She drove an automobile her husband ] had built in 1885 and patented in 1886 for a distance of 106 km or fifty miles.


Development of automotive technology was rapid, due in part to the hundreds of small manufacturers competing to gain the world's attention. Key developments included electric ] and the electric self-starter (both by ], for the ] Motor Company in 1910–1911), independent ], and four-wheel brakes.
On ], ], ] was granted a United States patent for a ] automobile engine ({{US patent|549160}}). This patent did more to hinder than encourage development of autos in the USA. Steam, electric, and gasoline powered autos competed for decades, with gasoline internal combustion engines achieving dominance in the 1910s.


Since the 1920s, nearly all cars have been mass-produced to meet market needs, so marketing plans often have heavily influenced car design. It was ] who established the idea of different makes of cars produced by one company, called the ], so that buyers could "move up" as their fortunes improved.
], the creator of the Assembly line]]


Reflecting the rapid pace of change, makes shared parts with one another so larger production volume resulted in lower costs for each price range. For example, in the 1930s, ]s, sold by ], used cheaper mechanical parts made by ]; in the 1950s, ] shared bonnet, doors, roof, and windows with ]; by the 1990s, corporate ]s and shared ] (with interchangeable ]s, suspension, and other parts) were common. Even so, only major makers could afford high costs, and even companies with decades of production, such as ], ], ], ], or Premier, could not manage: of some two hundred American car makers in existence in 1920, only 43 survived in 1930, and with the ], by 1940, only 17 of those were left.<ref name="Georgano"/>
The large-scale, ] manufacturing of affordable automobiles was debuted by ] in 1902, then greatly expanded by ] in the 1910s. Development of automotive technology was rapid, due in part to the hundreds of small manufacturers competing to gain the world's attention. Key developments included electric ] and the electric self-starter (both by ], for the ] Motor Company in 1910-1911), independent suspension, and four-wheel brakes.


In Europe, much the same would happen. ] set up its production line at ] in 1924, and soon outsold Ford, while beginning in 1923 to follow Ford's practice of ], buying ] British subsidiary (engines), ] (gearboxes), and Osberton (radiators), for instance, as well as competitors, such as ]: in 1925, Morris had 41&nbsp;per cent of total British car production. Most British small-car assemblers, from ] to ], had gone under. Citroën did the same in France, coming to cars in 1919; between them and other cheap cars in reply such as ]'s 10CV and ]'s ], they produced 550,000 cars in 1925, and ], ], and others could not compete.<ref name="Georgano"/> Germany's first mass-manufactured car, the ] (Tree Frog), came off the line at ] in 1924, soon making Opel the top car builder in Germany, with 37.5&nbsp;per cent of the market.<ref name="Georgano"/>
===Model changeover and design change===
<!-- Image with unknown copyright status removed: ] GLS Sports Saloon.]] -->
Cars are not merely continually perfected mechanical contrivances; since the 1920s nearly all have been mass-produced to meet a market, so marketing plans and manufacture to meet them have often dominated automobile design. It was ] who established the idea of different makes of cars produced by one firm, so that buyers could "move up" as their fortunes improved. The makes shared parts with one another so that the larger production volume resulted in lower costs for each price range. For example, in the 1950s, ] shared hood, doors, roof, and windows with ]; the LaSalle of the 1930s, sold by ], used the cheaper mechanical parts made by the Oldsmobile division.


In Japan, car production was very limited before World War II. Only a handful of companies were producing vehicles in limited numbers, and these were small, three-wheeled for commercial uses, like ], or were the result of partnering with European companies, like ] building the ] in 1922. ] was also partnered with ] and built the ] based on a Fiat vehicle. ], ], ], ], and ] began as companies producing non-automotive products before the war, switching to car production during the 1950s. Kiichiro Toyoda's decision to take ] into automobile manufacturing would create what would eventually become ], the largest automobile manufacturer in the world. ], meanwhile, was formed from a conglomerate of six companies who banded together as ], as a result of having been broken up under '']'' legislation.
==Alternative fuels and batteries==
{{main|Alternative fuel cars}}
With heavy ]es on fuel, particularly in ] and tightening environmental ]s, particularly in ], and the possibility of further restrictions on ] emissions, work on alternative power systems for vehicles continues.


== Components and design ==
]-powered cars can run with little or no modification on 100% pure ], a fuel that can be made from ]s but require modifications if you drive in cold weather countries, the main plus of Diesel combustion engines is it's 50% fuel burn advantage over 23% in the best gasoline engines. This makes Diesel engines capable of achieving an average of 17 kilometers per liter fuel efficiency. Many cars that currently use gasoline can run on ethanol, a fuel made from plant sugars. Most cars that are designed to run on gasoline are capable of running with up to 15% ethanol mixed in. With a small amount of redesign, gasoline-powered vehicles can run on ethanol concentrations as high as 85%. All petrol fuelled cars can run on ]. There has been some concern that the ethanol-gasoline mixtures prematurely wear down seals and gaskets. Theoretically, the lower energy content of alcohol should lead to considerably reduced efficiency and range when compared with gasoline. However, EPA testing has actually shown only a 20-30% reduction in range. Therefore, if your vehicle is capable of doing 750 kilometers on a 50 liter tank (15 kilometers per liter), its range would be reduced to approximately 600 kilometers (12 kilometers per liter). Of course, certain measures are available to increase this efficiency, such as different camshaft configurations, altering the timing/spark output of the ignition, increasing compression, or simply using a larger fuel tank.


=== Propulsion and fuels ===
In the ], alcohol fuel was produced in corn-alcohol ]s until ] criminalized the production of alcohol in 1919. ] is the only country which produces pure ethanol powered cars, called Flex, since the late 1970s.
{{See also|Alternative fuel vehicle}}
] ]]]
] but many cars only have one motor.]]


==== Fossil fuels ====
Attempts at building viable ]-powered electric vehicles continued throughout the 1990s (notably ] with the ]), but cost, speed and inadequate driving range made them uneconomical. Battery powered cars have primarily used ] and ]. Lead-acid batteries' recharge capacity is considerably reduced if they're discharged beyond 75% on a regular basis, making them a less-than-ideal solution. NiMH batteries are a better choice, but are considerably more expensive than lead-acid.
Most cars in use in the early 2020s run on ] burnt in an ] (ICE). Some cities ban older more polluting petrol-driven cars and some countries plan to ban sales in future. However, some environmental groups say this ] must be brought forwards to limit climate change. Production of petrol-fuelled cars peaked in 2017.<ref name="IEA2019">{{Cite web|url=https://www.iea.org/newsroom/news/2019/october/growing-preference-for-suvs-challenges-emissions-reductions-in-passenger-car-mark.html|title=October: Growing preference for SUVs challenges emissions reductions in passenger car mark|website=IEA|access-date=18 October 2019|archive-date=18 October 2019|archive-url=https://web.archive.org/web/20191018134053/https://www.iea.org/newsroom/news/2019/october/growing-preference-for-suvs-challenges-emissions-reductions-in-passenger-car-mark.html|url-status=live}}</ref><ref>{{cite news|title=Bloomberg NEF Electric Vehicle Outlook 2019|url=https://about.bnef.com/electric-vehicle-outlook//|agency=Bloomberg NEF|date=15 May 2019|access-date=3 June 2019|archive-date=3 June 2019|archive-url=https://web.archive.org/web/20190603211619/https://about.bnef.com/electric-vehicle-outlook//|url-status=live}}</ref>


Other hydrocarbon fossil fuels also burnt by ] (rather than ]) in ICE cars include ], ], and ]. Removal of ],<ref>{{cite news|title=Govt to completely lift fuel subsidies in 2020: minister|url=https://ww.egyptindependent.com/govt-to-completely-lift-fuel-subsidies-in-2020-minister/|work=Egypt Independent|date=8 January 2019|access-date=17 March 2019|archive-date=2 February 2019|archive-url=https://web.archive.org/web/20190202215550/https://ww.egyptindependent.com/govt-to-completely-lift-fuel-subsidies-in-2020-minister/|url-status=live}}</ref><ref>{{cite news|title=Why the Rouhani administration must eliminate energy subsidies|publisher=Al-Monitor|date=9 December 2018}}</ref> concerns about ], tightening ]s and restrictions on ] are propelling work on alternative power systems for cars. This includes ]s, ]s and ]s. Out of all cars sold in 2021, nine per cent were electric, and by the end of that year there were more than 16&nbsp;million ]s on the world's roads.<ref name="IEA2022">{{Cite web|title=Trends in electric light-duty vehicles – Global EV Outlook 2022 – Analysis|url=https://www.iea.org/reports/global-ev-outlook-2022/trends-in-electric-light-duty-vehicles|access-date=7 July 2022|website=IEA|language=en-GB|archive-date=10 July 2022|archive-url=https://web.archive.org/web/20220710075202/https://www.iea.org/reports/global-ev-outlook-2022/trends-in-electric-light-duty-vehicles|url-status=live}}</ref> Despite rapid growth, less than two per cent of cars on the world's roads were ] and ] cars by the end of 2021.<ref name="IEA2022"/> Cars for racing or ] have sometimes employed ] or ] engines, but these are impractical for common use. ] has increased rapidly in the 20th and 21st centuries because there are more cars; the ] even fuelled the sales of low-economy vehicles in ] countries. The ] countries are adding to this consumption.
], a hybrid vehicle. Museum of Toyota of ], ]]]Current research and development is centered on "]" vehicles that use both electric power and internal combustion. The first hybrid vehicle available for sale in the USA was the ]. As of 2005, The car is still in production and achieves around 25.5 kilometers per liter.


==== Batteries ====
Other R&D efforts in alternative forms of power focus on developing ], alternative forms of combustion such as ] and ], and even the stored energy of compressed air (see ]).
{{Main|Electric vehicle battery}}
{{See also|Electric car#Batteries|Automotive battery}}
In almost all hybrid (even ]) and pure electric cars ] recovers and returns to a battery some energy which would otherwise be wasted by friction brakes getting hot.<ref>{{Cite web|last=Cline|first=Amanda|date=25 December 2021|title=What Is a Mild Hybrid Vehicle?|url=https://www.motorbiscuit.com/what-mild-hybrid-vehicle/|access-date=16 January 2023|website=MotorBiscuit|language=en-US|archive-date=16 January 2023|archive-url=https://web.archive.org/web/20230116082921/https://www.motorbiscuit.com/what-mild-hybrid-vehicle/|url-status=live}}</ref> Although all cars must have friction brakes (front ]s and either disc or ]<ref>{{Cite web|last=|first=|title=Why Drum Brakes Works on EVs|url=https://www.news.benevelli-group.com/index.php/en/110-why-drum-brakes-works-on-evs.html|access-date=16 January 2023|website=Benevelli|language=en-gb|archive-date=16 January 2023|archive-url=https://web.archive.org/web/20230116085512/https://www.news.benevelli-group.com/index.php/en/110-why-drum-brakes-works-on-evs.html|url-status=live}}</ref>) for emergency stops, regenerative braking improves efficiency, particularly in city driving.<ref>{{Cite web|last=|first=|date=31 May 2022|title=Regenerative Braking: Benefits and Limitations|url=https://thebrakereport.com/regenerative-braking-benefits-and-limitations/|access-date=16 January 2023|website=The Brake Report|language=en-US|archive-date=16 January 2023|archive-url=https://web.archive.org/web/20230116085744/https://thebrakereport.com/regenerative-braking-benefits-and-limitations/|url-status=live}}</ref>


=== User interface ===
] seem as old as automobile vehicles themselves. ] crashed his steam-powered "Fardier" against a wall in 1771. The first recorded automobile fatality was ] on ] in ] and the first in the ] was ] on ] in ].
{{Main|Car controls}}
] the left-side hand lever sets the rear wheel parking brakes and puts the transmission in neutral. The lever to the right controls the throttle. The lever on the left of the steering column is for ignition timing. The left foot pedal changes the two forward gears while the centre pedal controls reverse. The right pedal is the brake.]]


Cars are equipped with controls used for driving, passenger comfort, and safety, normally operated by a combination of the use of feet and hands, and occasionally by voice on 21st-century cars. These controls include a ], pedals for operating the brakes and controlling the car's speed (and, in a manual transmission car, a clutch pedal), a shift lever or stick for changing gears, and a number of buttons and dials for turning on lights, ventilation, and other functions. Modern cars' controls are now standardised, such as the location for the accelerator and brake, but this was not always the case. Controls are evolving in response to new technologies, for example, the ] and the integration of mobile communications.
Cars have two basic safety problems: They have human drivers who make mistakes, and the wheels lose traction near a half gravity of deceleration. ] has been seriously proposed and successfully prototyped. Shoulder-belted passengers could tolerate a 32] emergency stop (reducing the safe intervehicle gap 64-fold) if high-speed roads incorporated a steel rail for emergency braking. Both safety modifications of the roadway are thought to be too expensive by most funding authorities, although these modifications could dramatically increase the number of vehicles that could safely use a high-speed highway.


Some of the original controls are no longer required. For example, all cars once had controls for the choke valve, clutch, ], and a crank instead of an electric ]. However, new controls have also been added to vehicles, making them more complex. These include ], ], and ]. Another trend is the replacement of physical knobs and switches by secondary controls with touchscreen controls such as ]'s '']'' and ]'s '']''. Another change is that while early cars' pedals were physically linked to the brake mechanism and throttle, in the early 2020s, cars have increasingly replaced these physical linkages with electronic controls.
Early safety research focused on increasing the reliability of brakes and reducing the flammability of fuel systems. For example, modern engine compartments are open at the bottom so that fuel vapors, which are heavier than air, vent to the open air. Brakes are hydraulic so that failures are slow leaks, rather than abrupt cable breaks. Systematic research on crash safety started in 1958 at ]. Since then, most research has focused on absorbing external crash energy with crushable panels and reducing the motion of human bodies in the passenger compartment.


=== Electronics and interior ===
There are standard tests for safety in new automobiles, like the ] and the tests. There are also tests run by organizations such as and backed by the insurance industry.
] for fuses and circuit breakers ]]


Cars are typically equipped with interior lighting which can be toggled manually or be set to light up automatically with doors open, an ] which originated from ]s, sideways ] which can be lowered or raised electrically (manually on earlier cars), and one or multiple ] for supplying portable appliances such as ], portable fridges, ]s, and electrical air pumps from the on-board electrical system.<ref>{{cite web|title=VW Golf: Innenleuchten|url=https://www.cautos.org/innenleuchten-915.html|access-date=26 October 2021|language=de|archive-date=25 October 2021|archive-url=https://web.archive.org/web/20211025210416/https://www.cautos.org/innenleuchten-915.html|url-status=live}}</ref><ref>{{cite web|title= Kühlboxen im Test |url=https://www.auto-motor-und-sport.de/verkehr/kuehlboxen/|website=auto motor und sport|access-date=26 October 2021|language=de|date=24 May 2017|archive-date=26 October 2021|archive-url=https://web.archive.org/web/20211026192622/https://www.auto-motor-und-sport.de/verkehr/kuehlboxen/|url-status=live}}</ref>{{efn|Auxiliary power outlets may be supplied continuously or only when the ignition is active depending on electrical wiring.}} More costly upper-class and ]s are equipped with features earlier such as massage seats and ]s.<ref>{{cite web|title=Alle Infos von der neuen Mercedes S-Klasse 2013 (W222)|url=https://auto.oe24.at/neuvorstellung/alle-infos-von-der-neuen-mercedes-s-klasse-2013-w222/104195226|website=auto.oe24.at|access-date=26 October 2021|language=de|date=16 May 2013|archive-date=26 October 2021|archive-url=https://web.archive.org/web/20211026192620/https://auto.oe24.at/neuvorstellung/alle-infos-von-der-neuen-mercedes-s-klasse-2013-w222/104195226|url-status=live}}</ref><ref>{{cite web|title=Mercedes-Benz S-Klasse 2013: Alle Details und Fotos des neuen Alphatiers|url=https://www.speedheads.de/auto-news/mercedes-benz-s-klasse-2013-alle-details-und-fotos-des-neuen-alphatiers-0007467.html|website=Speed Heads|access-date=26 October 2021|language=de|date=2013|archive-date=26 October 2021|archive-url=https://web.archive.org/web/20211026184511/https://www.speedheads.de/auto-news/mercedes-benz-s-klasse-2013-alle-details-und-fotos-des-neuen-alphatiers-0007467.html|url-status=live}}</ref>
Despite technological advances, there is still significant loss of life from car accidents: About 40,000 people die every year in the ], with similar figures in ]. This figure increases annually in step with rising population and increasing travel if no measures are taken, but the rate ] and per mile travelled decreases steadily. The death toll is expected to nearly double worldwide by 2020. A much higher number of accidents result in injury or permanent ]. The highest accident figures are reported in China and India. The European Union has a rigid program to cut the death toll in the EU in half by 2010 and member states have started implementing measures.


] prevent damage from ].
==Current Production==
] ], a modern automobile.]]
In 2005 63 million cars and light trucks were produced worldwide. The world's biggest car producer (including light trucks) is the European Union with 29% of the world's production. In non-EU Eastern Europe another 4% are produced. The second largest manufacturer is NAFTA with 25.8%, followed by Japan with 16.7%, China with 8.1%, MERCOSUR with 3.9%, India with 2.4% and the rest of the world with 10.1%. (vda-link)


=== Lighting ===
Large free trade areas like EU, NAFTA and MERCOSUR attract manufacturers worldwide to produce their products within them and without currency risks or customs, additionally to being close to customers. Thus the production figures do not show the technological ability or business skill of the areas. In fact much if not most of the Third World car production is used western technology and car models (and sometimes even complete obsolete western factories shipped to the country), which is reflected in the patent statistic as well as the locations of the r&d centers.
{{main|Automotive lighting}}
] daytime running lights]]


Cars are typically fitted with multiple types of lights. These include ]s, which are used to illuminate the way ahead and make the car visible to other users, so that the vehicle can be used at night; in some jurisdictions, ]; red brake lights to indicate when the brakes are applied; amber turn signal lights to indicate the turn intentions of the driver; white-coloured reverse lights to illuminate the area behind the car (and indicate that the driver will be or is reversing); and on some vehicles, additional lights (e.g., side marker lights) to increase the visibility of the car. Interior lights on the ceiling of the car are usually fitted for the driver and passengers. Some vehicles also have a boot light and, more rarely, an engine compartment light.
The automobile industry is dominated by relatively few large corporations (not to be confused with the much more numerous brands), the biggest of which (by numbers of produced cars) are currently ], ] and ]. It is expected, that Toyota will reach the No.1 position in 2006. The most profitable per-unit car-maker of recent years has been Porsche due to its premium price tag.


=== Weight and size ===
The automotive industry at large still suffers from high under-utilization of its manufacturing potential.
] extended-length SUV weighs {{convert|7200|lb|kg|order=flip}} (gross weight).<ref>{{cite web|url=http://www.edmunds.com/chevrolet/suburban/2008/features-specs/|title=Used 2008 Chevrolet Suburban Features & Specs|work=Edmunds|access-date=25 November 2015|archive-date=25 November 2015|archive-url=https://web.archive.org/web/20151125172157/http://www.edmunds.com/chevrolet/suburban/2008/features-specs/|url-status=live}}</ref>]]


During the late 20th and early 21st century, cars increased in weight due to batteries,<ref>{{Cite web|url=https://evarchive.com/how-much-do-electric-cars-weigh/|title=How much do electric cars weigh?|website=EV Archive|language=en-US|access-date=1 December 2019|archive-date=16 July 2019|archive-url=https://web.archive.org/web/20190716013628/https://evarchive.com/how-much-do-electric-cars-weigh/|url-status=live}}</ref> modern steel safety cages, anti-lock brakes, airbags, and "more-powerful—if more efficient—engines"<ref name="killing">{{cite news|url=http://www.slate.com/articles/business/moneybox/2011/06/your_big_car_is_killing_me.html|title=Your Big Car Is Killing Me|first=Annie|last=Lowrey|work=Slate|date=27 June 2011|access-date=25 November 2015|archive-date=25 November 2015|archive-url=https://web.archive.org/web/20151125112043/http://www.slate.com/articles/business/moneybox/2011/06/your_big_car_is_killing_me.html|url-status=live}}</ref> and, {{As of|2019||df=|lc=y}}, typically weigh between {{convert|1|and|3|t|ST LT}}.<ref>{{Cite web|url=https://mechanicbase.com/cars/car-weight/|title=How much does a Car Weigh? – |last=Sellén|first=Magnus|date=2 August 2019|website=Mechanic Base|language=en-US|access-date=1 December 2019|archive-date=22 December 2019|archive-url=https://web.archive.org/web/20191222211237/https://mechanicbase.com/cars/car-weight/|url-status=live}}</ref> Heavier cars are safer for the driver from a crash perspective, but more dangerous for other vehicles and road users.<ref name="killing"/> The weight of a car influences fuel consumption and performance, with more weight resulting in increased fuel consumption and decreased performance. The ], a typical ], weighs about {{convert|700|kg|lb}}. Heavier cars include SUVs and extended-length SUVs like the ]. Cars have also become wider.<ref>{{Cite news |last=Niranjan |first=Ajit |date=22 January 2024 |title=SUVs drive trend for new cars to grow 1cm wider in UK and EU every two years, says report |url=https://www.theguardian.com/business/2024/jan/22/cars-growing-wider-europe-report |access-date=22 January 2024 |work=The Guardian |language=en-GB |issn=0261-3077}}</ref>
==Future of the car==
In order to limit deaths, there has been a push for self-driving automobiles. There have been many notable efforts funded by the NHTSA, including the many efforts by the group at Carnegie Mellon University. Recent efforts include the highly publicized ] race.


Some places tax heavier cars more:<ref>{{Cite news |last=Niranjan |first=Ajit |date=22 January 2024 |title=SUVs drive trend for new cars to grow 1cm wider in UK and EU every two years, says report |url=https://www.theguardian.com/business/2024/jan/22/cars-growing-wider-europe-report |access-date=22 January 2024 |work=The Guardian |language=en-GB |issn=0261-3077 |quote=France has …. penalties that cover the weight of a car.}}</ref> as well as improving pedestrian safety this can encourage manufacturers to use materials such as recycled ] instead of steel.<ref>{{Cite journal|last1=Shaffer|first1=Blake|last2=Auffhammer|first2=Maximilian|last3=Samaras|first3=Constantine|date=October 2021|title=Make electric vehicles lighter to maximize climate and safety benefits|url=https://www.nature.com/articles/d41586-021-02760-8|journal=]|language=en|volume=598|issue=7880|pages=254–256|doi=10.1038/d41586-021-02760-8|pmid=34642477|bibcode=2021Natur.598..254S|s2cid=238747321|access-date=15 October 2021|archive-date=14 October 2021|archive-url=https://web.archive.org/web/20211014133906/https://www.nature.com/articles/d41586-021-02760-8|url-status=live | issn = 0028-0836 }}</ref> It has been suggested that one benefit of subsidising ] is that cars can use lighter batteries.<ref>{{Cite web|date=9 April 2022|title=How big a battery should you insist on for your electric car?|url=https://www.thestar.com/autos/2022/04/09/how-big-a-battery-should-you-insist-on-for-your-electric-car.html|access-date=2 October 2022|website=thestar.com|language=en|archive-date=2 October 2022|archive-url=https://web.archive.org/web/20221002182830/https://www.thestar.com/autos/2022/04/09/how-big-a-battery-should-you-insist-on-for-your-electric-car.html|url-status=live}}</ref>
A current invention is ] by ] that is claimed to reduce deaths by about 30% and is recommended by many lawmakers and carmakers to be a standard feature in all cars sold in the EU. ESP recognizes dangerous situations and corrects the drivers input for a short moment to stabilize the car.


=== Seating and body style ===
The biggest threat to automobiles is the declining supply of oil, which does not completely stop car usage but makes it significantly more expensive. Beginning of 2006 1 liter of gas costs approx. 1.6 US$ in Germany and other European countries. If no cheap solution can be found in the relatively near future individual mobility might suffer a major setback. Nevertheless, individual mobility is highly prized in modern societies so the demand for automobiles is inelastic. Alternative individual modes of transport, such as ], could make the automobile obsolete if they prove to be cheaper and more energy efficient.
{{See also|Car body style|Car classification|Truck classification|Vehicle size class}}
] FCHV (Fuel Cell Hybrid Vehicle). A fuel cell hybrid car which runs from the hydrogen which Toyota Motor developed,. 2005]]
], driven either by ] or a conventional combustion engine, are thought to replace fossil fuel powered cars in a few decades. The biggest obstacle for a mass market of hydrogen cars is the cost of hydrogen production by electrolysis, which is inefficient and requires a comparatively expensive source of electrical energy.
However Hydrogen produces 5 times as much energy than 93 octane gasoline and promises to be cheaper with mass production and none CO2, but steam H2O emissions as result of the combustion.
BMW's engineering team promises a high horsepower hydrogen fuel engine in it's 7-series sedan before the next generation of the car makes it's debut.


Most cars are designed to carry multiple occupants, often with four or five seats. Cars with five seats typically seat two passengers in the front and three in the rear. ]s and large ]s can often carry six, seven, or more occupants depending on the arrangement of the seats. On the other hand, ]s are most often designed with only two seats. Utility vehicles like ]s, combine seating with extra cargo or utility functionality. The differing needs for passenger capacity and their luggage or cargo space has resulted in the availability of a large variety of body styles to meet individual consumer requirements that include, among others, the ], ], ], ], and ].
The ] in general appears to be a way forward in principle; ]s are far more efficient than internal combustion engines and have a much greater ]. They also operate efficiently across the full speed range of the vehicle and develop a lot of ] at zero speed, so are ideal for cars. A complex drivetrain and transmission would not be needed. However, despite this the electric car is held back by battery technology - so far a cell with comparable energy density to a tank of liquid fuel is a long way off, and there is no infrastructure in place to support it. A more practical approach may be to use a smaller internal combustion engine to drive a generator- this approach can be much more efficient since the IC engine can be run at a single speed, use cheaper fuel such as diesel, and drop the heavy, power wasting drivetrain. Such an approach has worked very well for railway locomotives, but so far has not been scaled down for car use.


==Safety==
Recently the automobile industry has determined that the biggest potential growth market (in terms of both revenue and profit), is software. Cars are now equipped with a stunning array of software; from voice recognition and vehicle navigation systems to in-vehicle distributed entertainment systems (DVD/Games), to ] systems such as ]s ] not to mention the control subsystems. Software now accounts for 35% of a cars value, and this percentage is only going to get larger. The theory behind this is that the mechanical systems of automobiles are now essentially a commodity, and the real product differentiation occurs in the software systems. Many cars are equipped with full blown 32bit real-time memory protected operating systems such as ].
{{Main|Car safety|Traffic collision|Low speed vehicle|Epidemiology of motor vehicle collisions}}
]


Traffic collisions are the largest cause of injury-related deaths worldwide.<ref name="who_stats"/> ] became one of the first documented car fatalities in 1869 in ], Ireland,<ref name="ward">{{cite web|url=http://www.universityscience.ie/pages/scientists/sci_mary_ward.php|title=Mary Ward 1827–1869|publisher=Universityscience.ie|access-date=27 October 2008|archive-url=https://web.archive.org/web/20080311122721/http://www.universityscience.ie/pages/scientists/sci_mary_ward.php|archive-date=11 March 2008}}</ref> and ] one of the US's first pedestrian car casualties in 1899 in New York City.<ref name="bliss">{{cite web|url=http://www.citystreets.org/plaque.html|website=CityStreets|title=Bliss plaque|url-status=dead|archive-url=https://web.archive.org/web/20060826231629/http://citystreets.org/plaque.html|archive-date=26 August 2006}}</ref> There are now standard tests for safety in new cars, such as the ] and ] NCAP tests,<ref>{{cite web|url=http://www.nhtsa.dot.gov/cars/testing/ncap/|title=SaferCar.gov|publisher=NHTSA|url-status=dead|archive-url=https://web.archive.org/web/20040727074610/http://www.nhtsa.dot.gov/cars/testing/ncap/|archive-date=27 July 2004}}</ref> and insurance-industry-backed tests by the ] (IIHS).<ref>{{Cite web|url=https://www.iihs.org/|title=IIHS-HLDI|website=IIHS-HLDI crash testing and highway safety|access-date=1 December 2022|archive-date=23 January 2018|archive-url=https://web.archive.org/web/20180123104825/https://www.iihs.org/|url-status=live}}</ref> However, not all such tests consider the safety of people outside the car, such as drivers of other cars, pedestrians and cyclists.<ref>{{Cite news |title=Americans' love affair with big cars is killing them |url=https://www.economist.com/interactive/united-states/2024/08/31/americans-love-affair-with-big-cars-is-killing-them |access-date=2024-09-21 |newspaper=The Economist |issn=0013-0613}}</ref>
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**]: ] or ] (], ], ]).
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**]s and ]s
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==Costs and benefits==
Automobile ancillary power
{{Main|Economics of car usage|Car costs|Effects of the car on societies}}
*] — mechanical, electrical, hydraulic, vacuum, air
] is an issue in many major cities (pictured is ] in ]).<ref name="ReferenceA">{{cite book|author=Fran Tonkiss|title=Space, the city and social theory: social relations and urban forms|publisher=Polity|year=2005}}</ref>]]
*]

**] (])
The costs of car usage, which may include the cost of: acquiring the vehicle, repairs and ], fuel, ], driving time, ]s, taxes, and insurance,<ref name="racv"/> are weighed against the cost of the alternatives, and the value of the benefits—perceived and real—of vehicle usage. The benefits may include on-demand transportation, mobility, independence, and convenience,<ref name="setright"/> and ].<ref>{{Cite web|title=Ford's Affordable EV Charger Will Let an F-150 Power Your Home|url=https://www.reviewgeek.com/111145/fords-affordable-ev-charger-will-let-an-f-150-power-your-home/|access-date=7 March 2022|website=Review Geek|date=March 2022|language=en-US|archive-date=7 March 2022|archive-url=https://web.archive.org/web/20220307141336/https://www.reviewgeek.com/111145/fords-affordable-ev-charger-will-let-an-f-150-power-your-home/|url-status=live}}</ref> During the 1920s, cars had another benefit: "ouples finally had a way to head off on unchaperoned dates, plus they had a private space to snuggle up close at the end of the night."<ref>{{cite web|url=http://www.huffingtonpost.com/howaboutwe/dating-in-the-1920s_b_3239978.html|title=Dating in the 1920s: Lipstick, Booze and the Origins of Slut-Shaming &#124; HowAboutWe|first=Ariana|last=Anthony|work=]|date=9 May 2013|access-date=23 November 2015|archive-date=20 November 2015|archive-url=https://web.archive.org/web/20151120002829/http://www.huffingtonpost.com/howaboutwe/dating-in-the-1920s_b_3239978.html|url-status=live}}</ref>
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Similarly the costs to society of car use may include; ]s, ], ], ], ], ], health care, and of disposing of the vehicle at the end of its life; and can be balanced against the value of the benefits to society that car use generates. Societal benefits may include: economy benefits, such as job and wealth creation, of car production and maintenance, transportation provision, society wellbeing derived from leisure and travel opportunities, and revenue generation from the ] opportunities. The ability of humans to move flexibly from place to place has far-reaching implications for the nature of societies.<ref name="parking"/>
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==Environmental effects==
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{{See also|Exhaust gas|Waste tires|Environmental effects of transport|Externalities of automobiles|Noise pollution|Environmental aspects of the electric car|Vehicle recycling|}}
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]
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Car production and use has a large number of environmental impacts: it causes local ] ] and contributes to ] and ].<ref name=":0">{{Cite journal |last1=Miner |first1=Patrick |last2=Smith |first2=Barbara M. |last3=Jani |first3=Anant |last4=McNeill |first4=Geraldine |last5=Gathorne-Hardy |first5=Alfred |date=2024-02-01 |title=Car harm: A global review of automobility's harm to people and the environment |url=https://www.sciencedirect.com/science/article/pii/S0966692324000267#s0130 |journal=Journal of Transport Geography |volume=115 |pages=103817 |doi=10.1016/j.jtrangeo.2024.103817 |issn=0966-6923}}</ref> Cars and vans caused 10% of energy-related ] emissions in 2022.<ref>{{Cite web |title=Cars and Vans – Analysis |url=https://www.iea.org/reports/cars-and-vans |archive-url= |archive-date= |access-date=3 December 2024 |website=IEA |language=en-GB}}</ref> {{As of|2023}}, ] produce about half the emissions over their lifetime as diesel and petrol cars. This is set to improve as countries produce more of their electricity from ].<ref>{{Cite web |title=Outlook for emissions reductions – Global EV Outlook 2024 – Analysis |url=https://www.iea.org/reports/global-ev-outlook-2024/outlook-for-emissions-reductions |access-date=2024-12-03 |website=IEA |language=en-GB}}</ref> Cars consume almost a quarter of world oil production as of 2019.<ref name="IEA2019" /> Cities planned around cars are often less dense, which leads to further emissions, as they are less ] for instance.<ref name=":0" /> A growing demand for large SUVs is driving up emissions from cars.<ref>{{Cite web |date=2024-05-28 |title=SUVs are setting new sales records each year – and so are their emissions – Analysis |url=https://www.iea.org/commentaries/suvs-are-setting-new-sales-records-each-year-and-so-are-their-emissions |access-date=2024-12-03 |website=IEA |language=en-GB}}</ref>
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Cars are a major cause of ],<ref>{{Cite news|url=https://www.nytimes.com/interactive/2019/11/14/climate/car-ban-air-pollution.html|title=Cities Worldwide Are Reimagining Their Relationship With Cars|last1=Sengupta|first1=Somini|date=14 November 2019|work=The New York Times|access-date=1 December 2019|last2=Popovich|first2=Nadja|language=en-US|issn=0362-4331|archive-date=4 December 2019|archive-url=https://web.archive.org/web/20191204155827/https://www.nytimes.com/interactive/2019/11/14/climate/car-ban-air-pollution.html|url-status=live}}</ref> which stems from ] in diesel and petrol cars and from ]. Electric cars do not produce tailpipe emissions, but are generally heavier and therefore produce slightly more ].<ref>{{Cite web |last=Carroll |first=Sean Goulding |date=9 May 2022 |title=Switch to EVs won't solve 'road dust' pollution – in fact, it could make it worse |url=https://www.euractiv.com/section/transport/news/switch-to-evs-wont-solve-road-dust-pollution-in-fact-it-could-make-it-worse/ |access-date=17 November 2022 |website=www.euractiv.com |language=en-GB |archive-date=17 November 2022 |archive-url=https://web.archive.org/web/20221117130708/https://www.euractiv.com/section/transport/news/switch-to-evs-wont-solve-road-dust-pollution-in-fact-it-could-make-it-worse/ |url-status=live}}</ref> ] and microplastics (from tyres) are also released into the environment, during production, use and at the end of life. Mining related to car manufactoring and oil spills both cause ].<ref name=":0" />
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Animals and plants are often negatively affected by cars via ] and ] from the road network and pollution. Animals are also killed every year on roads by cars, referred to as ].<ref name=":0" /> More recent road developments are including significant environmental mitigation in their designs, such as green bridges (designed to allow ]s) and creating ]s.
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Governments use fiscal policies, such as ], to discourage the purchase and use of more polluting cars;<ref>{{cite web|title=A Review and Comparative Analysis of Fiscal Policies Associated with New Passenger Vehicle CO2 Emissions|url=http://www.theicct.org/sites/default/files/publications/ICCT_fiscalpolicies_feb2011.pdf|work=International Council on Clean Transportation|access-date=15 October 2013|date=February 2011|archive-date=8 March 2021|archive-url=https://web.archive.org/web/20210308122512/https://theicct.org/sites/default/files/publications/ICCT_fiscalpolicies_feb2011.pdf|url-status=live}}</ref> ]s ban the sale of new highly pollution cars.<ref>{{Cite web |date=10 October 2022 |title=Tough Euro 7 pollution rules planned for adoption this month |url=https://europe.autonews.com/environmentemissions/tough-euro-7-pollution-rules-planned-adoption-month |url-status=live |archive-url=https://web.archive.org/web/20221024162130/https://europe.autonews.com/environmentemissions/tough-euro-7-pollution-rules-planned-adoption-month |archive-date=24 October 2022 |access-date=24 October 2022 |website=Automotive News Europe |language=en}}</ref> Many countries ] between 2025 and 2050.<ref>{{Cite web |last=Carroll |first=Sean Goulding |date=5 July 2022 |title=A seismic shift: Support for ICE melts as Europe warms to EVs |url=https://www.euractiv.com/section/transport/news/a-seismic-shift-support-for-ice-melts-as-europe-warms-to-evs/ |url-status=live |archive-url=https://web.archive.org/web/20220707101129/https://www.euractiv.com/section/transport/news/a-seismic-shift-support-for-ice-melts-as-europe-warms-to-evs/ |archive-date=7 July 2022 |access-date=7 July 2022 |website=www.euractiv.com |language=en-GB}}</ref> Various cities have implemented ]s, banning old fossil fuel and ] is planning to ban fossil fuel cars completely.<ref name="Sherwood">{{Cite news |last=Sherwood |first=Harriet |date=26 January 2020 |title=Brighton, Bristol, York ... city centres signal the end of the road for cars |url=https://www.theguardian.com/uk-news/2020/jan/26/city-entres-end-of-road-for-cars-brighton-bristol-york |url-status=live |archive-url=https://web.archive.org/web/20200126173710/https://www.theguardian.com/uk-news/2020/jan/26/city-entres-end-of-road-for-cars-brighton-bristol-york |archive-date=26 January 2020 |access-date=26 January 2020 |work=The Observer |language=en-GB |issn=0029-7712}}</ref><ref>{{Cite news |last=Boffey |first=Daniel |date=3 May 2019 |title=Amsterdam to ban petrol and diesel cars and motorbikes by 2030 |url=https://www.theguardian.com/world/2019/may/03/amsterdam-ban-petrol-diesel-cars-bikes-2030 |url-status=live |archive-url=https://web.archive.org/web/20200907130427/https://www.theguardian.com/world/2019/may/03/amsterdam-ban-petrol-diesel-cars-bikes-2030 |archive-date=7 September 2020 |access-date=18 May 2019 |work=The Guardian |language=en-GB |issn=0261-3077}}</ref> Some cities make it easier for people to choose other forms of transport, such as ].<ref name="Sherwood" /> Many Chinese cities limit licensing of fossil fuel cars,<ref>{{Cite web |last=Lambert |first=Fred |date=6 June 2019 |title=China boosts electric car sales by removing license plate quotas |url=https://electrek.co/2019/06/06/china-boost-ev-sales-license-plate-quotas/ |url-status=live |archive-url=https://web.archive.org/web/20191108135117/https://electrek.co/2019/06/06/china-boost-ev-sales-license-plate-quotas/ |archive-date=8 November 2019 |access-date=11 June 2019 |website=Electrek |language=en-US}}</ref>
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==Social issues==
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Mass production of personal motor vehicles in the United States and other developed countries with extensive territories such as Australia, Argentina, and France vastly increased individual and group mobility and greatly increased and expanded economic development in urban, suburban, exurban and rural areas.{{citation needed|date=December 2022|reason=The next paragraph has US references but you need references for other developed countries. Note that other countries do not necessarily depend on cars as much as the US. Eg, I was quite content without a car while living in Hong Kong.}} Growth in the popularity of cars and ] has led to ].<ref>{{Cite web |title=Planning and the Complicated Causes and Effects of Congestion |url=https://www.planetizen.com/features/116834-planning-and-complicated-causes-and-effects-congestion |url-status=live |archive-url=https://web.archive.org/web/20221024175721/https://www.planetizen.com/features/116834-planning-and-complicated-causes-and-effects-congestion |archive-date=24 October 2022 |access-date=24 October 2022 |website=www.planetizen.com |language=en}}</ref> ], ], ], ] and ] were the world's most congested cities in 2018 according to INRIX, a data analytics company.<ref>{{cite news |last=Newman |first=Katelyn |date=12 February 2019 |title=Cities With the World's Worst Traffic Congestion |url=https://www.usnews.com/news/cities/articles/2019-02-12/these-cities-have-the-worlds-worst-traffic-congestion |url-status=live |archive-url=https://web.archive.org/web/20190318212120/https://www.usnews.com/news/cities/articles/2019-02-12/these-cities-have-the-worlds-worst-traffic-congestion |archive-date=18 March 2019 |access-date=16 March 2019 |work=US News}}</ref>
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=== Access to cars ===
*]s
In the United States, the ] and ] resulting from domination of ] presents barriers to employment in low-income neighbourhoods,<ref>{{Cite web|date=6 August 2018|title=Tackling transport-related barriers to employment in low-income neighbourhoods|url=https://www.jrf.org.uk/report/tackling-transport-related-barriers-employment-low-income-neighbourhoods|access-date=13 April 2021|website=JRF|language=en|archive-date=13 April 2021|archive-url=https://web.archive.org/web/20210413162600/https://www.jrf.org.uk/report/tackling-transport-related-barriers-employment-low-income-neighbourhoods|url-status=live}}</ref> with many low-income individuals and families forced to run cars they cannot afford in order to maintain their income.<ref>{{cite journal|last1=Mattioli|first1=Giulio|title='Forced Car Ownership' in the UK and Germany: Socio-Spatial Patterns and Potential Economic Stress Impacts|journal=Social Inclusion|date=28 December 2017|volume=5|issue=4|pages=147–160|doi=10.17645/si.v5i4.1081|doi-access=free}}</ref> Dependency on automobiles by ] may result in exposure to the hazards of ] and other types of ] related to buying, financing and insuring them.<ref name="NYT121522">{{cite news|author1=Andrew Ross|author2=Julie Livingston|title=Once You See the Truth About Cars, You Can't Unsee It|work=The New York Times|url=https://www.nytimes.com/2022/12/15/opinion/car-ownership-inequality.html|access-date=16 December 2022|issue=New York Times|date=15 December 2022|quote=Andrew Ross and Julie Livingston are New York University professors, members of NYU's Prison Education Program Research Lab and authors of the book “Cars and Jails: Freedom Dreams, Debt, and Carcerality.”|archive-date=15 December 2022|archive-url=https://web.archive.org/web/20221215234155/https://www.nytimes.com/2022/12/15/opinion/car-ownership-inequality.html|url-status=live}}</ref>
**]s

**]s
=== Health impact ===
**]s (ABS)
{{Further|Motor vehicle pollution and pregnancy}}
*]s and ]s
Air pollution from cars increases the risk of ] and ]. It can also harm pregnancies: more children are ] or with lower ].<ref name=":0" /> Children are extra vulnerable to air pollution, as their bodies are still developing and air pollution in children is linked to the development of ], ], and neurocognitive issues such as ].<ref>{{Cite journal |last1=Brumberg |first1=Heather L. |last2=Karr |first2=Catherine J. |last3=Bole |first3=Aparna |last4=Ahdoot |first4=Samantha |last5=Balk |first5=Sophie J. |last6=Bernstein |first6=Aaron S. |last7=Byron |first7=Lori G. |last8=Landrigan |first8=Philip J. |last9=Marcus |first9=Steven M. |last10=Nerlinger |first10=Abby L. |last11=Pacheco |first11=Susan E. |last12=Woolf |first12=Alan D. |last13=Zajac |first13=Lauren |last14=Baum |first14=Carl R. |last15=Campbell |first15=Carla C. |date=2021-06-01 |title=Ambient Air Pollution: Health Hazards to Children |url=https://publications.aap.org/pediatrics/article/147/6/e2021051484/180283?utm_source=TrendMD&utm_medium=TrendMD&utm_campaign=Pediatrics_TrendMD_1&casa_token=_MBVKLYeNcIAAAAA:--gCo71LSrInCr42UbHcNQz4kA0ylUnsGP_OwCtCF6Af3VHMecKKhQYRHyJuxfzdEBm6opIao2oTh_Q?autologincheck=redirected |journal=Pediatrics |volume=147 |issue=6 |pages=e2021051484 |doi=10.1542/peds.2021-051484 |issn=0031-4005}}</ref><ref name=":0" /> The growth in popularity of the car allowed cities to ], therefore encouraging more travel by car, resulting in inactivity and ], which in turn can lead to increased risk of a variety of diseases.<ref>{{cite web |title=Our Ailing Communities |url=http://www.metropolismag.com/cda/story.php?artid=2353 |url-status=dead |archive-url=https://web.archive.org/web/20070208203942/http://www.metropolismag.com/cda/story.php?artid=2353 |archive-date=8 February 2007 |work=Metropolis Magazine}}</ref> When places are designed around cars, children have fewer opportunities to go places by themselves, and lose opportunities to become more independent.<ref>{{Cite journal |last=Weir |first=Holly |date=2023-01-01 |title=Children's autonomous mobility and their well-being |journal=Wellbeing, Space and Society |volume=4 |pages=100134 |doi=10.1016/j.wss.2023.100134 |issn=2666-5581|doi-access=free }}</ref><ref name=":0" />
**]s

*]
==Emerging car technologies==
**]
Although intensive development of conventional ]s is continuing into the 2020s,<ref>{{Cite web|url=https://airqualitynews.com/2019/09/05/ev-battery-research-projects-get-55m-funding-boost/|title=EV battery research projects get £55m funding boost|date=5 September 2019|website=Air Quality News|access-date=5 September 2019|archive-date=5 September 2019|archive-url=https://web.archive.org/web/20190905182327/https://airqualitynews.com/2019/09/05/ev-battery-research-projects-get-55m-funding-boost/|url-status=live}}</ref> other car ] technologies that are under development include ],<ref>{{Cite news|url=https://www.bbc.com/news/business-48913028|title=Wireless electric car charging gets cash boost|date=9 July 2019|access-date=3 January 2020|language=en-GB|archive-date=9 December 2019|archive-url=https://web.archive.org/web/20191209032356/https://www.bbc.com/news/business-48913028|url-status=live}}</ref> ]s,<ref>{{Cite news|url=https://www.bloomberg.com/news/articles/2019-06-27/china-s-hydrogen-vehicle-dream-chased-by-17-billion-of-funding|title=China's Hydrogen Vehicle Dream Chased With $17 Billion of Funding|date=23 July 2019|access-date=23 July 2019|language=en|archive-date=21 July 2019|archive-url=https://web.archive.org/web/20190721215217/https://www.bloomberg.com/news/articles/2019-06-27/china-s-hydrogen-vehicle-dream-chased-by-17-billion-of-funding|url-status=live}}</ref><ref>{{cite news |url=https://www.fastechus.com/blog/vehicle-manufacturers-working-on-hydrogen-fuel-cell-vehicles |title=8 Vehicle Manufacturers Working on Hydrogen Fuel Cell Cars |work=Fastech |location=US |date=July 7, 2023 |access-date=2024-09-22}}</ref> and hydrogen/electric hybrids.<ref>{{Cite web|url=https://driving.ca/mazda/features/feature-story/motor-mouth-is-this-the-perfect-electric-vehicle|title=Motor Mouth: Is Mazda's e-TPV the perfect electric vehicle?|date=3 September 2019|website=Driving|language=en|access-date=5 September 2019|archive-date=5 September 2019|archive-url=https://web.archive.org/web/20190905182325/https://driving.ca/mazda/features/feature-story/motor-mouth-is-this-the-perfect-electric-vehicle|url-status=live}}</ref> Research into alternative forms of power includes using ] instead of hydrogen in ]s.<ref>{{Cite web|url=https://phys.org/news/2019-08-ammonia-fuel-cells.html|title=Ammonia for fuel cells|website=phys.org|language=en-us|access-date=5 September 2019|archive-date=5 September 2019|archive-url=https://web.archive.org/web/20190905183047/https://phys.org/news/2019-08-ammonia-fuel-cells.html|url-status=live}}</ref>
**]

**]
New materials which may replace steel car bodies include aluminium,<ref>{{Cite web|date=12 August 2020|title=Survey reveals aluminum remains fastest growing automotive material|url=https://www.automotiveworld.com/news-releases/survey-reveals-aluminum-remains-fastest-growing-automotive-material/|access-date=15 October 2021|website=Automotive World|language=en-GB|archive-date=21 October 2021|archive-url=https://web.archive.org/web/20211021053144/https://www.automotiveworld.com/news-releases/survey-reveals-aluminum-remains-fastest-growing-automotive-material/|url-status=live}}</ref> ], ], ]s, and ]s.<ref>{{cite news|title=This New Material Can Transform the Car Manufacturing Industry|url=https://interestingengineering.com/this-new-material-can-transform-the-car-manufacturing-industry|first=Kashyap|last=Vyas|work=Interesting Engineering|location=Turkey|date=3 October 2018|access-date=16 March 2019|archive-date=16 September 2019|archive-url=https://web.archive.org/web/20190916083121/https://interestingengineering.com/this-new-material-can-transform-the-car-manufacturing-industry|url-status=live}}</ref> ] technology is allowing more and more people to share cars, on a ] basis, through ] and ] schemes. Communication is also evolving due to ] systems.<ref>{{Cite web|url=http://www.greenmotor.co.uk/2017/06/uniti-ev-lewis-horne-interview.html|title=Inside Uniti's plan to build the iPhone of EVs|website=GreenMotor.co.uk|access-date=26 June 2017|archive-date=3 July 2017|archive-url=https://web.archive.org/web/20170703013456/http://www.greenmotor.co.uk/2017/06/uniti-ev-lewis-horne-interview.html|url-status=live}}</ref> ] are not widespread.<ref>{{cite web|url=http://video.google.com/videoplay?docid=-6306814203245314335|title=Geek My Ride presentation at linux.conf.au 2009|access-date=11 July 2010|url-status=dead|archive-url=https://web.archive.org/web/20110411075600/http://video.google.com/videoplay?docid=-6306814203245314335|archive-date=11 April 2011}}</ref>
**]

**]
===Autonomous car===
*]
{{Main|Autonomous car}}
**]
] shown at ] is a ].]]
**]

**]
Fully autonomous vehicles, also known as driverless cars, already exist as ]s<ref>{{Cite web|date=25 October 2022|title=China's Xpeng passes autonomous driving test in race to launch robotaxis|url=https://www.scmp.com/business/china-business/article/3197095/chinese-ev-maker-xpeng-passes-autonomous-driving-test-it-races-rivals-launch-robotaxi-services|access-date=24 October 2022|website=South China Morning Post|language=en|archive-date=24 October 2022|archive-url=https://web.archive.org/web/20221024172642/https://www.scmp.com/business/china-business/article/3197095/chinese-ev-maker-xpeng-passes-autonomous-driving-test-it-races-rivals-launch-robotaxi-services|url-status=live}}</ref><ref>{{Cite web|title=8 Ways Waymo's Autonomous Taxi Surprised Us on a Ride|url=https://www.consumerreports.org/cars/autonomous-driving/ways-a-waymo-autonomous-taxi-surprised-us-on-a-ride-a1160706497/|access-date=24 October 2022|website=Consumer Reports|date=4 October 2022|language=en-US|archive-date=24 October 2022|archive-url=https://web.archive.org/web/20221024172927/https://www.consumerreports.org/cars/autonomous-driving/ways-a-waymo-autonomous-taxi-surprised-us-on-a-ride-a1160706497/|url-status=live}}</ref> but have a long way to go before they are in general use.<ref>{{Cite news|last=Mims|first=Christopher|date=5 June 2021|title=Self-Driving Cars Could Be Decades Away, No Matter What Elon Musk Said|language=en-US|work=]|url=https://www.wsj.com/articles/self-driving-cars-could-be-decades-away-no-matter-what-elon-musk-said-11622865615|access-date=2 September 2021|issn=0099-9660|archive-date=2 September 2021|archive-url=https://web.archive.org/web/20210902182155/https://www.wsj.com/articles/self-driving-cars-could-be-decades-away-no-matter-what-elon-musk-said-11622865615|url-status=live}}</ref>
**]

**]
===Car sharing===
**]
] arrangements and ]ing are also increasingly popular, in the US and Europe.<ref>{{cite web|url=http://www.deloitte.com/content/dam/Deloitte/global/Documents/Manufacturing/gx-global-automotive-consumer-study-europe-final.pdf|title=Global Automotive Consumer Study – exploring consumer preferences and mobility choices in Europe|publisher=Deloitte|date=2014|access-date=23 November 2015|url-status=dead|archive-url=https://web.archive.org/web/20150704135550/http://www2.deloitte.com/content/dam/Deloitte/global/Documents/Manufacturing/gx-global-automotive-consumer-study-europe-final.pdf|archive-date=4 July 2015}}</ref> For example, in the US, some car-sharing services have experienced double-digit growth in revenue and membership growth between 2006 and 2007. Services like car sharing offer residents to "share" a vehicle rather than own a car in already congested neighbourhoods.<ref>{{cite web|url=http://www.greencarcongress.com/2007/04/flexcar_expands.html|title=Flexcar Expands to Philadelphia|date=2 April 2007|publisher=Green Car Congress|access-date=12 April 2007|archive-date=9 July 2007|archive-url=https://web.archive.org/web/20070709062259/http://www.greencarcongress.com/2007/04/flexcar_expands.html|url-status=live}}</ref>
**]

*body
==Industry==
**]s
{{Main|Automotive industry}}
**] (or unibody) construction
{{expand section|date=March 2019}}
**]
]
**]

**] (fore-runner of modern automotive finishes)
The automotive industry designs, develops, manufactures, markets, and sells the world's ]s, more than three-quarters of which are cars. In 2020, there were 56&nbsp;million cars manufactured worldwide,<ref>{{Cite web|title=2020 Statistics|url=https://www.oica.net/category/production-statistics/2020-statistics/|access-date=2 September 2021|website=OICA|archive-date=2 April 2022|archive-url=https://web.archive.org/web/20220402034602/https://www.oica.net/category/production-statistics/2020-statistics/|url-status=live}}</ref> down from 67&nbsp;million the previous year.<ref>{{Cite web|title=2019 Statistics|url=https://www.oica.net/category/production-statistics/2019-statistics/|access-date=2 September 2021|website=OICA|archive-date=20 November 2021|archive-url=https://web.archive.org/web/20211120211457/https://www.oica.net/category/production-statistics/2019-statistics/|url-status=live}}</ref> The ] produces by far the most (20&nbsp;million in 2020), followed by Japan (seven million), then Germany, South Korea and India.<ref name="OICA2018">{{cite web|title=2018 Statistics|url=https://www.oica.net/category/production-statistics/2018-statistics/|publisher=OICA|access-date=24 September 2021|archive-date=19 September 2021|archive-url=https://web.archive.org/web/20210919201934/https://www.oica.net/category/production-statistics/2018-statistics/|url-status=live}}</ref> The largest market is China, followed by the US.
*interior equipment

**]
Around the world, there are about a billion cars on the road;<ref>{{cite web |title=PC World Vehicles in Use |url=https://www.oica.net/wp-content/uploads//PC_Vehicles-in-use.pdf |publisher=OICA |access-date=16 March 2019 |archive-date=23 September 2021 |archive-url=https://web.archive.org/web/20210923184400/https://www.oica.net/wp-content/uploads//PC_Vehicles-in-use.pdf |url-status=live}}</ref> they burn over {{One2a|{{convert|1|e12l|e12USgal e12impgal|spell=in}}}} of petrol and diesel fuel yearly, consuming about {{Convert|50|EJ|TWh|lk=on}} of energy.<ref>{{cite web|title=Global Transportation Energy Consumption: Examination of Scenarios to 2040 using ITEDD|url=https://www.eia.gov/analysis/studies/transportation/scenarios/pdf/globaltransportation.pdf |date=September 2017 |publisher=]|access-date=16 March 2019|archive-date=11 May 2019|archive-url=https://web.archive.org/web/20190511181735/https://www.eia.gov/analysis/studies/transportation/scenarios/pdf/globaltransportation.pdf|url-status=live}}</ref> The numbers of cars are increasing rapidly in China and India.<ref name="plunkettresearch.com">{{cite web|publisher=Plunkett Research|url=http://www.plunkettresearch.com/Industries/AutomobilesTrucks/AutomobileTrends/tabid/89/Default.aspx|title=Automobile Industry Introduction|archive-url=https://web.archive.org/web/20110722031051/http://www.plunkettresearch.com/automobiles%20trucks%20market%20research/industry%20overview|archive-date=22 July 2011}}</ref> In the opinion of some, urban transport systems based around the car have proved unsustainable, consuming excessive energy, affecting the health of populations, and delivering a declining level of service despite increasing investment. Many of these negative effects fall disproportionately on those social groups who are also least likely to own and drive cars.<ref name="health">{{cite web|url=http://www.euro.who.int/en/what-we-do/health-topics/environment-and-health/Transport-and-health|title=Transport and health |access-date=29 August 2008|website= World Health Organisation, Europe |archive-date=29 May 2011|archive-url=https://web.archive.org/web/20110529223158/http://www.euro.who.int/en/what-we-do/health-topics/environment-and-health/Transport-and-health|url-status=dead }}</ref><ref name="FIA2018">{{cite web|title=Global Action for Healthy Streets: Annual Report 2018|url=https://www.fiafoundation.org/media/597506/fiaf-annual-report-2018.pdf|publisher=FiA Foundation|access-date=16 March 2019}}{{Dead link|date=November 2023|bot=InternetArchiveBot|fix-attempted=yes}}</ref> The ] movement focuses on solutions to these problems. The car industry is also facing increasing competition from the public transport sector, as some people re-evaluate their private vehicle usage. In July 2021, the ] introduced the "]" legislation package, outlining crucial directives for the automotive sector's future.<ref>{{Cite web |date=2022-03-11 |title=EU ban on the sale of new petrol and diesel cars from 2035 explained |url=https://www.europarl.europa.eu/topics/en/article/20221019STO44572/eu-ban-on-sale-of-new-petrol-and-diesel-cars-from-2035-explained |access-date=2024-12-17 |website=Topics {{!}} European Parliament |language=en}}</ref><ref>{{Cite web |title=European Green Deal: Commission proposes transformation of EU economy and society to meet climate ambitions |url=https://ec.europa.eu/commission/presscorner/detail/en/ip_21_3541 |access-date=2024-12-17 |website=European Commission - European Commission}}</ref> According to this package, by 2035, all newly sold cars in the European market must be ].<ref>{{Cite news |date=2023-03-28 |title=New cars sold in EU must be zero-emission from 2035 |url=https://www.bbc.com/news/world-europe-65105129#:~:text=The%20new%20EU%20law%20will,anger%20among%20some%20EU%20diplomats. |access-date=2024-12-17 |language=en-GB}}</ref><ref>{{Cite web |title=Thảm lót sàn ô tô |url=https://carsen.vn/tham-lot-san-o-to |access-date=2024-12-17 |language=vi}}</ref><ref>{{Cite web |last=philcurry |date=2021-07-14 |title=Fit for 55: EU introduces ban on petrol and diesel cars by 2035 |url=https://autovista24.autovistagroup.com/news/fit-for-55-european-union-to-end-sale-of-petrol-and-diesel-models-by-2035/ |access-date=2024-12-17 |website=Autovista24 |language=en-GB}}</ref>
***]s

***]s
== Alternatives ==
***]s
{{Main|Alternatives to car use}}
**]
] in ], is the largest bikesharing system outside China.]]
**] for selecting gear ratios

**] equipment such as ], ], ], ]s, ], cup holders, etc.
Established alternatives for some aspects of car use include ] such as busses, ]ses, trains, ], ], ], cycling, and ]. ]s have been established in China and many European cities, including ] and ]. Similar programmes have been developed in large US cities.<ref>{{cite web |title=About Bike Share Programs |url=http://web.mit.edu/dzshen/www/about.shtml |archive-url=https://web.archive.org/web/20071220235050/http://web.mit.edu/dzshen/www/about.shtml |archive-date=20 December 2007 |access-date=17 August 2019 |publisher=Tech Bikes MIT}}</ref><ref>{{cite magazine |last1=Cambell |first1=Charlie |date=2 April 2018 |title=The Trouble with Sharing: China's Bike Fever Has Reached Saturation Point |url=https://time.com/5218323/china-bicycles-sharing-economy/ |url-status=live |archive-url=https://web.archive.org/web/20190607090315/http://time.com/5218323/china-bicycles-sharing-economy/ |archive-date=7 June 2019 |access-date=18 August 2019 |magazine=Time}}</ref> Additional individual modes of transport, such as ] could serve as an alternative to cars if they prove to be socially accepted.<ref name="asphalt">{{cite book |last=Kay |first=Jane Holtz |author-link=Jane Holtz Kay |url=https://archive.org/details/asphaltnationhow00kayj_0 |title=Asphalt Nation: how the automobile took over America, and how we can take it back |publisher=University of California Press |year=1998 |isbn=0-520-21620-2}}</ref> A study which checked the costs and the benefits of introducing ] in ] found the benefits overpass the costs approximately by 100 times in the first 20 years and the difference is growing over time.<ref>{{cite news |last1=Walker |first1=Peter |date=8 March 2024 |title=Health gains of low-traffic schemes up to 100 times greater than costs, study finds |url=https://www.theguardian.com/uk-news/2024/mar/08/health-gains-of-low-traffic-schemes-up-to-100-times-greater-than-costs-study-finds |access-date=10 March 2024 |agency=The Guardian}}</ref>
*exterior equipment
**windows
***]
***]
***]s


==See also== ==See also==
{{portal|Cars}}
* ]
{{Main|Outline of automobiles}}
{{col-begin}}

{{col-break}}
'''General:'''
* ]
* ]
* ]
* ]
* ]
* ]
* ]
* ]
* ]
* ]
* ]

{{col-break}}
'''Effects:'''
* ]
* ]
* ]
* ]
* ]
* ]
* ]
* ]
* ] * ]
* ]
* ]


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==External links==
'''Mitigation:'''
{{cleanup-spam}}
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* ]
* ]
* ]
* ]
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{{col-end}}
{{commons|Automobile}}

*
==Notes==
*
{{Notelist}}

==References==
{{Reflist}}

==Further reading==
* {{cite book |last=Berger |first=Michael L. |title=The automobile in American history and culture: a reference guide |publisher=Bloomsbury Publishing |location=US |year=2001 |isbn=9780313016066}}
* {{cite book |last=Brinkley |first=Douglas |title=Wheels for the world: Henry Ford, his company, and a century of progress, 1903-2003 |publisher=Viking |year=2003 |isbn=9780670031818}}
* {{cite book |first1=John|last1=Cole|first2=Francis|last2=Cole|url={{google books|id=xREfAgAAQBAJ|page=110|plain-url=yes}}|title=A Geography of the European Union|page=110|year=213|publisher=Routledge|location=London|isbn=9781317835585}} – Number of cars in use (in millions) in various European countries in 1973 and 1992
* {{cite book |author-link=David Halberstam|last=Halberstam|first=David|title=The Reckoning|url=https://archive.org/details/reckoning00halbrich|url-access=registration|location=New York|publisher=Morrow|year=1986|isbn=0-688-04838-2}}
* {{cite book |last=Kay|first=Jane Holtz|title=Asphalt nation : how the automobile took over America, and how we can take it back|location=New York|publisher=Crown|year=1997|isbn=0-517-58702-5|url=https://archive.org/details/asphaltnationhow00kayj}}
* {{Cite journal|last=Margolius|first=Ivan|date=2020|title=What is an automobile?|url=http://www.theautomobile.co.uk|journal=The Automobile|volume=37|issue=11|pages=48–52|issn=0955-1328}}
* {{cite book |author-link=Wolfgang Sachs|last=Sachs|first=Wolfgang|title=For love of the automobile: looking back into the history of our desires|location=Berkeley|publisher=University of California Press|year=1992|isbn=0-520-06878-5}}
* {{cite book |last1=Wilkins |first1=Mira |last2=Hill |first2=Frank Ernest |title=American Business Abroad: Ford on Six Continents |year=1964}}
* {{cite book |author-link=Heathcote Williams|last=Williams|first=Heathcote|title=Autogeddon|location=New York|publisher=Arcade|year=1991|isbn=1-55970-176-5}}
* {{cite book |url={{google books|id=8TZkG1HhfG0C|page=11|plain-url=yes}}|page=11|year=1972|title=Latin America: Economic Growth Trends|publisher=Agency for International Development, Office of Statistics and Reports|location=US}} – Number of motor vehicles registered in Latin America in 1970
* {{cite book |url={{google books|id=evpBB9EPDtQC|page=3|plain-url=yes}}|title=World Motor Vehicle Production and Registration|page=3|publisher=Business and Defense Services Administration, Transportation Equipment Division|location=US}} – Number of registered passenger cars in various countries in 1959-60 and 1969–70

==External links==
{{Wikiquote}}
{{Wikisource|California AB 1493}}
{{Wiktionary}}
* {{Commons category-inline|Automobiles}}
*
*
*


{{Car-interior}}
]
{{Automobile configuration}}
{{CarDesign nav}}
{{Internal combustion engine}}
{{Powertrain}}
{{Chassis control systems}}
{{Automotive industry}}
{{Private transport}}


{{Link FA|eo}} {{Authority control}}


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Latest revision as of 22:04, 24 December 2024

Motorised passenger road vehicle For the country with the initials "CAR", see Central African Republic. For other uses, see Car (disambiguation). "Passenger car" and "Automobile" redirect here. For the railroad car that carries passengers, see Passenger railroad car. For the broader classification which includes trucks, see Motor vehicle. For other uses, see Passenger car (disambiguation) and Automobile (disambiguation).

Car
The Toyota Corolla, which has been in production since 1966, is the best-selling series of automobile of all time.
ClassificationVehicle
IndustryVarious
ApplicationTransportation
Fuel source
PoweredYes
Self-propelledYes
Wheels3–6, most often 4
Axles2, less commonly 3
InventorCarl Benz
Invented1886 (138 years ago) (1886)

A car, or an automobile, is a motor vehicle with wheels. Most definitions of cars state that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people over cargo. There are around one billion cars in use worldwide.

The French inventor Nicolas-Joseph Cugnot built the first steam-powered road vehicle in 1769, while the Swiss inventor François Isaac de Rivaz designed and constructed the first internal combustion-powered automobile in 1808. The modern car—a practical, marketable automobile for everyday use—was invented in 1886, when the German inventor Carl Benz patented his Benz Patent-Motorwagen. Commercial cars became widely available during the 20th century. The 1901 Oldsmobile Curved Dash and the 1908 Ford Model T, both American cars, are widely considered the first mass-produced and mass-affordable cars, respectively. Cars were rapidly adopted in the US, where they replaced horse-drawn carriages. In Europe and other parts of the world, demand for automobiles did not increase until after World War II. In the 21st century, car usage is still increasing rapidly, especially in China, India, and other newly industrialised countries.

Cars have controls for driving, parking, passenger comfort, and a variety of lamps. Over the decades, additional features and controls have been added to vehicles, making them progressively more complex. These include rear-reversing cameras, air conditioning, navigation systems, and in-car entertainment. Most cars in use in the early 2020s are propelled by an internal combustion engine, fueled by the combustion of fossil fuels. Electric cars, which were invented early in the history of the car, became commercially available in the 2000s and are predicted to cost less to buy than petrol-driven cars before 2025. The transition from fossil fuel-powered cars to electric cars features prominently in most climate change mitigation scenarios, such as Project Drawdown's 100 actionable solutions for climate change.

There are costs and benefits to car use. The costs to the individual include acquiring the vehicle, interest payments (if the car is financed), repairs and maintenance, fuel, depreciation, driving time, parking fees, taxes, and insurance. The costs to society include maintaining roads, land-use, road congestion, air pollution, noise pollution, public health, and disposing of the vehicle at the end of its life. Traffic collisions are the largest cause of injury-related deaths worldwide. Personal benefits include on-demand transportation, mobility, independence, and convenience. Societal benefits include economic benefits, such as job and wealth creation from the automotive industry, transportation provision, societal well-being from leisure and travel opportunities. People's ability to move flexibly from place to place has far-reaching implications for the nature of societies.

Etymology

The English word car is believed to originate from Latin carrus/carrum "wheeled vehicle" or (via Old North French) Middle English carre "two-wheeled cart", both of which in turn derive from Gaulish karros "chariot". It originally referred to any wheeled horse-drawn vehicle, such as a cart, carriage, or wagon.

"Motor car", attested from 1895, is the usual formal term in British English. "Autocar", a variant likewise attested from 1895 and literally meaning "self-propelled car", is now considered archaic. "Horseless carriage" is attested from 1895.

"Automobile", a classical compound derived from Ancient Greek autós (αὐτός) "self" and Latin mobilis "movable", entered English from French and was first adopted by the Automobile Club of Great Britain in 1897. It fell out of favour in Britain and is now used chiefly in North America, where the abbreviated form "auto" commonly appears as an adjective in compound formations like "auto industry" and "auto mechanic".

History

Main article: History of the automobile
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Steam machine of Verbiest, in 1678 (Ferdinand Verbiest)
Cugnot's 1771 fardier à vapeur, as preserved at the Musée des Arts et Métiers, Paris
Carl Benz, the inventor of the modern car
The original Benz Patent-Motorwagen, the first modern car, built in 1885 and awarded the patent for the concept
Bertha Benz, the first long distance driver
The Flocken Elektrowagen was the first four-wheeled electric car
Stuttgart, a cradle of the car with Gottlieb Daimler and Wilhelm Maybach working there at the Daimler Motoren Gesellschaft and place of the modern day headquarters of Mercedes-Benz Group and Porsche

In 1649, Hans Hautsch of Nuremberg built a clockwork-driven carriage. The first steam-powered vehicle was designed by Ferdinand Verbiest, a Flemish member of a Jesuit mission in China around 1672. It was a 65-centimetre-long (26 in) scale-model toy for the Kangxi Emperor that was unable to carry a driver or a passenger. It is not known with certainty if Verbiest's model was successfully built or run.

Nicolas-Joseph Cugnot is widely credited with building the first full-scale, self-propelled mechanical vehicle in about 1769; he created a steam-powered tricycle. He also constructed two steam tractors for the French Army, one of which is preserved in the French National Conservatory of Arts and Crafts. His inventions were limited by problems with water supply and maintaining steam pressure. In 1801, Richard Trevithick built and demonstrated his Puffing Devil road locomotive, believed by many to be the first demonstration of a steam-powered road vehicle. It was unable to maintain sufficient steam pressure for long periods and was of little practical use.

The development of external combustion (steam) engines is detailed as part of the history of the car but often treated separately from the development of true cars. A variety of steam-powered road vehicles were used during the first part of the 19th century, including steam cars, steam buses, phaetons, and steam rollers. In the United Kingdom, sentiment against them led to the Locomotive Acts of 1865.

In 1807, Nicéphore Niépce and his brother Claude created what was probably the world's first internal combustion engine (which they called a Pyréolophore), but installed it in a boat on the river Saone in France. Coincidentally, in 1807, the Swiss inventor François Isaac de Rivaz designed his own "de Rivaz internal combustion engine", and used it to develop the world's first vehicle to be powered by such an engine. The Niépces' Pyréolophore was fuelled by a mixture of Lycopodium powder (dried spores of the Lycopodium plant), finely crushed coal dust and resin that were mixed with oil, whereas de Rivaz used a mixture of hydrogen and oxygen. Neither design was successful, as was the case with others, such as Samuel Brown, Samuel Morey, and Etienne Lenoir, who each built vehicles (usually adapted carriages or carts) powered by internal combustion engines.

In November 1881, French inventor Gustave Trouvé demonstrated a three-wheeled car powered by electricity at the International Exposition of Electricity. Although several other German engineers (including Gottlieb Daimler, Wilhelm Maybach, and Siegfried Marcus) were working on cars at about the same time, the year 1886 is regarded as the birth year of the modern car—a practical, marketable automobile for everyday use—when the German Carl Benz patented his Benz Patent-Motorwagen; he is generally acknowledged as the inventor of the car.

In 1879, Benz was granted a patent for his first engine, which had been designed in 1878. Many of his other inventions made the use of the internal combustion engine feasible for powering a vehicle. His first Motorwagen was built in 1885 in Mannheim, Germany. He was awarded the patent for its invention as of his application on 29 January 1886 (under the auspices of his major company, Benz & Cie., which was founded in 1883). Benz began promotion of the vehicle on 3 July 1886, and about 25 Benz vehicles were sold between 1888 and 1893, when his first four-wheeler was introduced along with a cheaper model. They also were powered with four-stroke engines of his own design. Emile Roger of France, already producing Benz engines under license, now added the Benz car to his line of products. Because France was more open to the early cars, initially more were built and sold in France through Roger than Benz sold in Germany. In August 1888, Bertha Benz, the wife and business partner of Carl Benz, undertook the first road trip by car, to prove the road-worthiness of her husband's invention.

In 1896, Benz designed and patented the first internal-combustion flat engine, called boxermotor. During the last years of the 19th century, Benz was the largest car company in the world with 572 units produced in 1899 and, because of its size, Benz & Cie., became a joint-stock company. The first motor car in central Europe and one of the first factory-made cars in the world, was produced by Czech company Nesselsdorfer Wagenbau (later renamed to Tatra) in 1897, the Präsident automobil.

Daimler and Maybach founded Daimler Motoren Gesellschaft (DMG) in Cannstatt in 1890, and sold their first car in 1892 under the brand name Daimler. It was a horse-drawn stagecoach built by another manufacturer, which they retrofitted with an engine of their design. By 1895, about 30 vehicles had been built by Daimler and Maybach, either at the Daimler works or in the Hotel Hermann, where they set up shop after disputes with their backers. Benz, Maybach, and the Daimler team seem to have been unaware of each other's early work. They never worked together; by the time of the merger of the two companies, Daimler and Maybach were no longer part of DMG. Daimler died in 1900 and later that year, Maybach designed an engine named Daimler-Mercedes that was placed in a specially ordered model built to specifications set by Emil Jellinek. This was a production of a small number of vehicles for Jellinek to race and market in his country. Two years later, in 1902, a new model DMG car was produced and the model was named Mercedes after the Maybach engine, which generated 35 hp. Maybach quit DMG shortly thereafter and opened a business of his own. Rights to the Daimler brand name were sold to other manufacturers.

In 1890, Émile Levassor and Armand Peugeot of France began producing vehicles with Daimler engines, and so laid the foundation of the automotive industry in France. In 1891, Auguste Doriot and his Peugeot colleague Louis Rigoulot completed the longest trip by a petrol-driven vehicle when their self-designed and built Daimler powered Peugeot Type 3 completed 2,100 kilometres (1,300 mi) from Valentigney to Paris and Brest and back again. They were attached to the first Paris–Brest–Paris bicycle race, but finished six days after the winning cyclist, Charles Terront.

The first design for an American car with a petrol internal combustion engine was made in 1877 by George Selden of Rochester, New York. Selden applied for a patent for a car in 1879, but the patent application expired because the vehicle was never built. After a delay of 16 years and a series of attachments to his application, on 5 November 1895, Selden was granted a US patent (U.S. patent 549,160) for a two-stroke car engine, which hindered, more than encouraged, development of cars in the United States. His patent was challenged by Henry Ford and others, and overturned in 1911.

In 1893, the first running, petrol-driven American car was built and road-tested by the Duryea brothers of Springfield, Massachusetts. The first public run of the Duryea Motor Wagon took place on 21 September 1893, on Taylor Street in Metro Center Springfield. Studebaker, subsidiary of a long-established wagon and coach manufacturer, started to build cars in 1897 and commenced sales of electric vehicles in 1902 and petrol vehicles in 1904.

In Britain, there had been several attempts to build steam cars with varying degrees of success, with Thomas Rickett even attempting a production run in 1860. Santler from Malvern is recognised by the Veteran Car Club of Great Britain as having made the first petrol-driven car in the country in 1894, followed by Frederick William Lanchester in 1895, but these were both one-offs. The first production vehicles in Great Britain came from the Daimler Company, a company founded by Harry J. Lawson in 1896, after purchasing the right to use the name of the engines. Lawson's company made its first car in 1897, and they bore the name Daimler.

In 1892, German engineer Rudolf Diesel was granted a patent for a "New Rational Combustion Engine". In 1897, he built the first diesel engine. Steam-, electric-, and petrol-driven vehicles competed for a few decades, with petrol internal combustion engines achieving dominance in the 1910s. Although various pistonless rotary engine designs have attempted to compete with the conventional piston and crankshaft design, only Mazda's version of the Wankel engine has had more than very limited success. All in all, it is estimated that over 100,000 patents created the modern automobile and motorcycle.

Mass production

See also: Automotive industry
Ransom E. Olds founded Olds Motor Vehicle Company (Oldsmobile) in 1897.
Ford Motor Company automobile assembly line in the 1920s
The Toyota Corolla is the best-selling car of all-time.

Large-scale, production-line manufacturing of affordable cars was started by Ransom Olds in 1901 at his Oldsmobile factory in Lansing, Michigan, and based upon stationary assembly line techniques pioneered by Marc Isambard Brunel at the Portsmouth Block Mills, England, in 1802. The assembly line style of mass production and interchangeable parts had been pioneered in the US by Thomas Blanchard in 1821, at the Springfield Armory in Springfield, Massachusetts. This concept was greatly expanded by Henry Ford, beginning in 1913 with the world's first moving assembly line for cars at the Highland Park Ford Plant.

As a result, Ford's cars came off the line in 15-minute intervals, much faster than previous methods, increasing productivity eightfold, while using less manpower (from 12.5 manhours to 1 hour 33 minutes). It was so successful, paint became a bottleneck. Only Japan black would dry fast enough, forcing the company to drop the variety of colours available before 1913, until fast-drying Duco lacquer was developed in 1926. This is the source of Ford's apocryphal remark, "any color as long as it's black". In 1914, an assembly line worker could buy a Model T with four months' pay.

Ford's complex safety procedures—especially assigning each worker to a specific location instead of allowing them to roam about—dramatically reduced the rate of injury. The combination of high wages and high efficiency is called "Fordism" and was copied by most major industries. The efficiency gains from the assembly line also coincided with the economic rise of the US. The assembly line forced workers to work at a certain pace with very repetitive motions which led to more output per worker while other countries were using less productive methods.

In the automotive industry, its success was dominating, and quickly spread worldwide seeing the founding of Ford France and Ford Britain in 1911, Ford Denmark 1923, Ford Germany 1925; in 1921, Citroën was the first native European manufacturer to adopt the production method. Soon, companies had to have assembly lines, or risk going bankrupt; by 1930, 250 companies which did not, had disappeared.

Development of automotive technology was rapid, due in part to the hundreds of small manufacturers competing to gain the world's attention. Key developments included electric ignition and the electric self-starter (both by Charles Kettering, for the Cadillac Motor Company in 1910–1911), independent suspension, and four-wheel brakes.

Since the 1920s, nearly all cars have been mass-produced to meet market needs, so marketing plans often have heavily influenced car design. It was Alfred P. Sloan who established the idea of different makes of cars produced by one company, called the General Motors Companion Make Program, so that buyers could "move up" as their fortunes improved.

Reflecting the rapid pace of change, makes shared parts with one another so larger production volume resulted in lower costs for each price range. For example, in the 1930s, LaSalles, sold by Cadillac, used cheaper mechanical parts made by Oldsmobile; in the 1950s, Chevrolet shared bonnet, doors, roof, and windows with Pontiac; by the 1990s, corporate powertrains and shared platforms (with interchangeable brakes, suspension, and other parts) were common. Even so, only major makers could afford high costs, and even companies with decades of production, such as Apperson, Cole, Dorris, Haynes, or Premier, could not manage: of some two hundred American car makers in existence in 1920, only 43 survived in 1930, and with the Great Depression, by 1940, only 17 of those were left.

In Europe, much the same would happen. Morris set up its production line at Cowley in 1924, and soon outsold Ford, while beginning in 1923 to follow Ford's practice of vertical integration, buying Hotchkiss' British subsidiary (engines), Wrigley (gearboxes), and Osberton (radiators), for instance, as well as competitors, such as Wolseley: in 1925, Morris had 41 per cent of total British car production. Most British small-car assemblers, from Abbey to Xtra, had gone under. Citroën did the same in France, coming to cars in 1919; between them and other cheap cars in reply such as Renault's 10CV and Peugeot's 5CV, they produced 550,000 cars in 1925, and Mors, Hurtu, and others could not compete. Germany's first mass-manufactured car, the Opel 4PS Laubfrosch (Tree Frog), came off the line at Rüsselsheim in 1924, soon making Opel the top car builder in Germany, with 37.5 per cent of the market.

In Japan, car production was very limited before World War II. Only a handful of companies were producing vehicles in limited numbers, and these were small, three-wheeled for commercial uses, like Daihatsu, or were the result of partnering with European companies, like Isuzu building the Wolseley A-9 in 1922. Mitsubishi was also partnered with Fiat and built the Mitsubishi Model A based on a Fiat vehicle. Toyota, Nissan, Suzuki, Mazda, and Honda began as companies producing non-automotive products before the war, switching to car production during the 1950s. Kiichiro Toyoda's decision to take Toyoda Loom Works into automobile manufacturing would create what would eventually become Toyota Motor Corporation, the largest automobile manufacturer in the world. Subaru, meanwhile, was formed from a conglomerate of six companies who banded together as Fuji Heavy Industries, as a result of having been broken up under keiretsu legislation.

Components and design

Propulsion and fuels

See also: Alternative fuel vehicle
2011 Nissan Leaf electric car
The weight of the low battery stabilises the car. This is a dual-motor, four-wheel-drive layout but many cars only have one motor.

Fossil fuels

Most cars in use in the early 2020s run on petrol burnt in an internal combustion engine (ICE). Some cities ban older more polluting petrol-driven cars and some countries plan to ban sales in future. However, some environmental groups say this phase-out of fossil fuel vehicles must be brought forwards to limit climate change. Production of petrol-fuelled cars peaked in 2017.

Other hydrocarbon fossil fuels also burnt by deflagration (rather than detonation) in ICE cars include diesel, autogas, and CNG. Removal of fossil fuel subsidies, concerns about oil dependence, tightening environmental laws and restrictions on greenhouse gas emissions are propelling work on alternative power systems for cars. This includes hybrid vehicles, plug-in electric vehicles and hydrogen vehicles. Out of all cars sold in 2021, nine per cent were electric, and by the end of that year there were more than 16 million electric cars on the world's roads. Despite rapid growth, less than two per cent of cars on the world's roads were fully electric and plug-in hybrid cars by the end of 2021. Cars for racing or speed records have sometimes employed jet or rocket engines, but these are impractical for common use. Oil consumption has increased rapidly in the 20th and 21st centuries because there are more cars; the 1980s oil glut even fuelled the sales of low-economy vehicles in OECD countries. The BRIC countries are adding to this consumption.

Batteries

Main article: Electric vehicle battery See also: Electric car § Batteries, and Automotive battery

In almost all hybrid (even mild hybrid) and pure electric cars regenerative braking recovers and returns to a battery some energy which would otherwise be wasted by friction brakes getting hot. Although all cars must have friction brakes (front disc brakes and either disc or drum rear brakes) for emergency stops, regenerative braking improves efficiency, particularly in city driving.

User interface

Main article: Car controls
In the Ford Model T the left-side hand lever sets the rear wheel parking brakes and puts the transmission in neutral. The lever to the right controls the throttle. The lever on the left of the steering column is for ignition timing. The left foot pedal changes the two forward gears while the centre pedal controls reverse. The right pedal is the brake.

Cars are equipped with controls used for driving, passenger comfort, and safety, normally operated by a combination of the use of feet and hands, and occasionally by voice on 21st-century cars. These controls include a steering wheel, pedals for operating the brakes and controlling the car's speed (and, in a manual transmission car, a clutch pedal), a shift lever or stick for changing gears, and a number of buttons and dials for turning on lights, ventilation, and other functions. Modern cars' controls are now standardised, such as the location for the accelerator and brake, but this was not always the case. Controls are evolving in response to new technologies, for example, the electric car and the integration of mobile communications.

Some of the original controls are no longer required. For example, all cars once had controls for the choke valve, clutch, ignition timing, and a crank instead of an electric starter. However, new controls have also been added to vehicles, making them more complex. These include air conditioning, navigation systems, and in-car entertainment. Another trend is the replacement of physical knobs and switches by secondary controls with touchscreen controls such as BMW's iDrive and Ford's MyFord Touch. Another change is that while early cars' pedals were physically linked to the brake mechanism and throttle, in the early 2020s, cars have increasingly replaced these physical linkages with electronic controls.

Electronics and interior

Panel for fuses and circuit breakers

Cars are typically equipped with interior lighting which can be toggled manually or be set to light up automatically with doors open, an entertainment system which originated from car radios, sideways windows which can be lowered or raised electrically (manually on earlier cars), and one or multiple auxiliary power outlets for supplying portable appliances such as mobile phones, portable fridges, power inverters, and electrical air pumps from the on-board electrical system. More costly upper-class and luxury cars are equipped with features earlier such as massage seats and collision avoidance systems.

Dedicated automotive fuses and circuit breakers prevent damage from electrical overload.

Lighting

Main article: Automotive lighting
Audi A4 daytime running lights

Cars are typically fitted with multiple types of lights. These include headlights, which are used to illuminate the way ahead and make the car visible to other users, so that the vehicle can be used at night; in some jurisdictions, daytime running lights; red brake lights to indicate when the brakes are applied; amber turn signal lights to indicate the turn intentions of the driver; white-coloured reverse lights to illuminate the area behind the car (and indicate that the driver will be or is reversing); and on some vehicles, additional lights (e.g., side marker lights) to increase the visibility of the car. Interior lights on the ceiling of the car are usually fitted for the driver and passengers. Some vehicles also have a boot light and, more rarely, an engine compartment light.

Weight and size

A Chevrolet Suburban extended-length SUV weighs 3,300 kilograms (7,200 lb) (gross weight).

During the late 20th and early 21st century, cars increased in weight due to batteries, modern steel safety cages, anti-lock brakes, airbags, and "more-powerful—if more efficient—engines" and, as of 2019, typically weigh between 1 and 3 tonnes (1.1 and 3.3 short tons; 0.98 and 2.95 long tons). Heavier cars are safer for the driver from a crash perspective, but more dangerous for other vehicles and road users. The weight of a car influences fuel consumption and performance, with more weight resulting in increased fuel consumption and decreased performance. The Wuling Hongguang Mini EV, a typical city car, weighs about 700 kilograms (1,500 lb). Heavier cars include SUVs and extended-length SUVs like the Suburban. Cars have also become wider.

Some places tax heavier cars more: as well as improving pedestrian safety this can encourage manufacturers to use materials such as recycled aluminium instead of steel. It has been suggested that one benefit of subsidising charging infrastructure is that cars can use lighter batteries.

Seating and body style

See also: Car body style, Car classification, Truck classification, and Vehicle size class

Most cars are designed to carry multiple occupants, often with four or five seats. Cars with five seats typically seat two passengers in the front and three in the rear. Full-size cars and large sport utility vehicles can often carry six, seven, or more occupants depending on the arrangement of the seats. On the other hand, sports cars are most often designed with only two seats. Utility vehicles like pickup trucks, combine seating with extra cargo or utility functionality. The differing needs for passenger capacity and their luggage or cargo space has resulted in the availability of a large variety of body styles to meet individual consumer requirements that include, among others, the sedan/saloon, hatchback, station wagon/estate, coupe, and minivan.

Safety

Main articles: Car safety, Traffic collision, Low speed vehicle, and Epidemiology of motor vehicle collisions
Result of a serious car collision

Traffic collisions are the largest cause of injury-related deaths worldwide. Mary Ward became one of the first documented car fatalities in 1869 in Parsonstown, Ireland, and Henry Bliss one of the US's first pedestrian car casualties in 1899 in New York City. There are now standard tests for safety in new cars, such as the Euro and US NCAP tests, and insurance-industry-backed tests by the Insurance Institute for Highway Safety (IIHS). However, not all such tests consider the safety of people outside the car, such as drivers of other cars, pedestrians and cyclists.

Costs and benefits

Main articles: Economics of car usage, Car costs, and Effects of the car on societies
Road congestion is an issue in many major cities (pictured is Chang'an Avenue in Beijing).

The costs of car usage, which may include the cost of: acquiring the vehicle, repairs and auto maintenance, fuel, depreciation, driving time, parking fees, taxes, and insurance, are weighed against the cost of the alternatives, and the value of the benefits—perceived and real—of vehicle usage. The benefits may include on-demand transportation, mobility, independence, and convenience, and emergency power. During the 1920s, cars had another benefit: "ouples finally had a way to head off on unchaperoned dates, plus they had a private space to snuggle up close at the end of the night."

Similarly the costs to society of car use may include; maintaining roads, land use, air pollution, noise pollution, road congestion, public health, health care, and of disposing of the vehicle at the end of its life; and can be balanced against the value of the benefits to society that car use generates. Societal benefits may include: economy benefits, such as job and wealth creation, of car production and maintenance, transportation provision, society wellbeing derived from leisure and travel opportunities, and revenue generation from the tax opportunities. The ability of humans to move flexibly from place to place has far-reaching implications for the nature of societies.

Environmental effects

See also: Exhaust gas, Waste tires, Environmental effects of transport, Externalities of automobiles, Noise pollution, Environmental aspects of the electric car, and Vehicle recycling
Trucks' share of US vehicles produced, has tripled since 1975. Though vehicle fuel efficiency has increased within each category, the overall trend toward less efficient types of vehicles has offset some of the benefits of greater fuel economy and reductions in pollution and carbon dioxide emissions. Without the shift towards SUVs, energy use per unit distance could have fallen 30% more than it did from 2010 to 2022.
close-up of 2 exhaust pipes with whitish smoke
Car exhaust gas is one type of pollution

Car production and use has a large number of environmental impacts: it causes local air pollution plastic pollution and contributes to greenhouse gas emissions and climate change. Cars and vans caused 10% of energy-related carbon dioxide emissions in 2022. As of 2023, electric cars produce about half the emissions over their lifetime as diesel and petrol cars. This is set to improve as countries produce more of their electricity from low-carbon sources. Cars consume almost a quarter of world oil production as of 2019. Cities planned around cars are often less dense, which leads to further emissions, as they are less walkable for instance. A growing demand for large SUVs is driving up emissions from cars.

Cars are a major cause of air pollution, which stems from exhaust gas in diesel and petrol cars and from dust from brakes, tyres, and road wear. Electric cars do not produce tailpipe emissions, but are generally heavier and therefore produce slightly more particulate matter. Heavy metals and microplastics (from tyres) are also released into the environment, during production, use and at the end of life. Mining related to car manufactoring and oil spills both cause water pollution.

Animals and plants are often negatively affected by cars via habitat destruction and fragmentation from the road network and pollution. Animals are also killed every year on roads by cars, referred to as roadkill. More recent road developments are including significant environmental mitigation in their designs, such as green bridges (designed to allow wildlife crossings) and creating wildlife corridors.

Governments use fiscal policies, such as road tax, to discourage the purchase and use of more polluting cars; Vehicle emission standards ban the sale of new highly pollution cars. Many countries plan to stop selling fossil cars altogher between 2025 and 2050. Various cities have implemented low-emission zones, banning old fossil fuel and Amsterdam is planning to ban fossil fuel cars completely. Some cities make it easier for people to choose other forms of transport, such as cycling. Many Chinese cities limit licensing of fossil fuel cars,

Social issues

Mass production of personal motor vehicles in the United States and other developed countries with extensive territories such as Australia, Argentina, and France vastly increased individual and group mobility and greatly increased and expanded economic development in urban, suburban, exurban and rural areas. Growth in the popularity of cars and commuting has led to traffic congestion. Moscow, Istanbul, Bogotá, Mexico City and São Paulo were the world's most congested cities in 2018 according to INRIX, a data analytics company.

Access to cars

In the United States, the transport divide and car dependency resulting from domination of car-based transport systems presents barriers to employment in low-income neighbourhoods, with many low-income individuals and families forced to run cars they cannot afford in order to maintain their income. Dependency on automobiles by African Americans may result in exposure to the hazards of driving while black and other types of racial discrimination related to buying, financing and insuring them.

Health impact

Further information: Motor vehicle pollution and pregnancy

Air pollution from cars increases the risk of lung cancer and heart disease. It can also harm pregnancies: more children are born too early or with lower birth weight. Children are extra vulnerable to air pollution, as their bodies are still developing and air pollution in children is linked to the development of asthma, childhood cancer, and neurocognitive issues such as autism. The growth in popularity of the car allowed cities to sprawl, therefore encouraging more travel by car, resulting in inactivity and obesity, which in turn can lead to increased risk of a variety of diseases. When places are designed around cars, children have fewer opportunities to go places by themselves, and lose opportunities to become more independent.

Emerging car technologies

Although intensive development of conventional battery electric vehicles is continuing into the 2020s, other car propulsion technologies that are under development include wireless charging, hydrogen cars, and hydrogen/electric hybrids. Research into alternative forms of power includes using ammonia instead of hydrogen in fuel cells.

New materials which may replace steel car bodies include aluminium, fiberglass, carbon fiber, biocomposites, and carbon nanotubes. Telematics technology is allowing more and more people to share cars, on a pay-as-you-go basis, through car share and carpool schemes. Communication is also evolving due to connected car systems. Open-source cars are not widespread.

Autonomous car

Main article: Autonomous car
A robotic Volkswagen Passat shown at Stanford University is a driverless car.

Fully autonomous vehicles, also known as driverless cars, already exist as robotaxis but have a long way to go before they are in general use.

Car sharing

Car-share arrangements and carpooling are also increasingly popular, in the US and Europe. For example, in the US, some car-sharing services have experienced double-digit growth in revenue and membership growth between 2006 and 2007. Services like car sharing offer residents to "share" a vehicle rather than own a car in already congested neighbourhoods.

Industry

Main article: Automotive industry
This section needs expansion. You can help by making an edit requestadding to it . (March 2019)
A car being assembled in a factory

The automotive industry designs, develops, manufactures, markets, and sells the world's motor vehicles, more than three-quarters of which are cars. In 2020, there were 56 million cars manufactured worldwide, down from 67 million the previous year. The automotive industry in China produces by far the most (20 million in 2020), followed by Japan (seven million), then Germany, South Korea and India. The largest market is China, followed by the US.

Around the world, there are about a billion cars on the road; they burn over a trillion litres (0.26×10^ US gal; 0.22×10^ imp gal) of petrol and diesel fuel yearly, consuming about 50 exajoules (14,000 TWh) of energy. The numbers of cars are increasing rapidly in China and India. In the opinion of some, urban transport systems based around the car have proved unsustainable, consuming excessive energy, affecting the health of populations, and delivering a declining level of service despite increasing investment. Many of these negative effects fall disproportionately on those social groups who are also least likely to own and drive cars. The sustainable transport movement focuses on solutions to these problems. The car industry is also facing increasing competition from the public transport sector, as some people re-evaluate their private vehicle usage. In July 2021, the European Commission introduced the "Fit for 55" legislation package, outlining crucial directives for the automotive sector's future. According to this package, by 2035, all newly sold cars in the European market must be zero-emission vehicles.

Alternatives

Main article: Alternatives to car use
The Vélib' in Paris, France, is the largest bikesharing system outside China.

Established alternatives for some aspects of car use include public transport such as busses, trolleybusses, trains, subways, tramways, light rail, cycling, and walking. Bicycle sharing systems have been established in China and many European cities, including Copenhagen and Amsterdam. Similar programmes have been developed in large US cities. Additional individual modes of transport, such as personal rapid transit could serve as an alternative to cars if they prove to be socially accepted. A study which checked the costs and the benefits of introducing Low Traffic Neighbourhood in London found the benefits overpass the costs approximately by 100 times in the first 20 years and the difference is growing over time.

See also

Main article: Outline of automobiles

General:


Effects:


Mitigation:

Notes

  1. Auxiliary power outlets may be supplied continuously or only when the ignition is active depending on electrical wiring.

References

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