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Cutback asphalt
Cutback asphalt is asphalt cement liquefied with petroleum solvents, which evaporate after application; once the standard liquid asphalt for road paving, it has largely been displaced by emulsions.
Cyclecar
A cyclecar was a small, lightweight automobile built from about 1910 to the mid-1920s, typically from motorcycle parts, with over 100 makers in Britain and France by 1914.
Cylinder head
The cylinder head, or engine head, is the cast component bolted atop an engine's cylinders that seals them, forms the combustion chambers, and houses the valves.
D-segment
The D-segment, also called large family cars, is the European classification for upper-medium passenger cars one size above the C-segment, including models like the Volkswagen Passat and Audi A4.
D35 motorway (Czech Republic)
The D35 motorway is a planned Czech motorway linking Liberec, Hradec Králové, and Olomouc to Lipník nad Bečvou, and at over 260 km the country's longest expressway.
Dacia Bigster
The Dacia Bigster is a five-seat C-segment SUV built by Dacia, the Romanian brand of Groupe Renault, sold from 2025 as the largest model in the range.
Dacia Duster
The Dacia Duster, sold in some markets as the Renault Duster, is a compact SUV produced by Dacia, Renault's Romanian subsidiary, since 2010 as a low-price SUV with optional 4x4.
Dacia Logan
The Dacia Logan, also sold as the Renault Logan or Mahindra Logan, is a low-cost small family sedan developed by Romanian carmaker Dacia under Renault Group and launched in 2004.
Dacia Sandero
The Dacia Sandero, also sold as the Renault Sandero, is a small five-door hatchback built by Romanian carmaker Dacia since 2008, Europe's best-selling vehicle in 2024 with a raised Stepway variant.
Dacia Sandrider
The Dacia Sandrider is a rally-raid racing prototype built by Dacia with Prodrive for the Dakar Rally, which Nasser Al-Attiyah drove to overall victory in 2026.
Daelim Motor
Daelim Motor is a South Korean motorcycle and scooter manufacturer founded in 1962, best known for three decades building Honda designs under license before selling bikes under its own name.
Daewoo Kalos (대우 칼로스)
The Daewoo Kalos (대우 칼로스) is a South Korean subcompact car launched in 2002, styled by Giorgetto Giugiaro and sold as the Chevrolet Aveo, Holden Barina, and Suzuki Swift.
Daewoo Lacetti (대우 라세티)
Daewoo Lacetti (대우 라세티) is a compact car launched by GM Daewoo in November 2002 and sold worldwide under nameplates including Chevrolet Optra and Suzuki Forenza.
Daewoo Motors
Daewoo Motors (대우자동차) was a South Korean automobile manufacturer that grew out of Shinjin Motors, entered a joint venture with General Motors in 1978, and collapsed before GM bought its assets in 2002.
DAF Trucks
DAF Trucks N.V., historically Van Doorne's Automobiel Fabriek, is a Dutch truck manufacturer headquartered in Eindhoven. Founded in 1928, it has been wholly owned by the American PACCAR group since 1996.
Daihatsu
Daihatsu Motor Co., Ltd. (ダイハツ), Japanese kei and compact car maker founded 1907 as Hatsudoki Seizo in Osaka, wholly owned Toyota subsidiary since 2016, OEM supplier of Hijet, Mira e:S, Tanto, Rocky and e-Hijet Cargo to Toyota, Subaru, Mazda, and Suzuki.
Daihatsu Charade (ダイハツ・シャレード)
The Daihatsu Charade (ダイハツ・シャレード) is a small Japanese economy car produced by Daihatsu from 1977 to 1999, known for its one-liter engine and low fuel consumption.
Daihatsu Copen (ダイハツ・コペン)
The Daihatsu Copen (ダイハツ・コペン) is a two-seat kei convertible sports car built by Daihatsu in Japan, on sale since 2002 with a second generation from 2014.
Daihatsu Hijet (ダイハツ・ハイゼット)
The Daihatsu Hijet is a line of kei commercial trucks and vans built by Daihatsu since 1960 as its first kei four-wheeled vehicle, with over 4.85 million trucks produced.
Daihatsu Midget
The Daihatsu Midget is a family of small commercial vehicles from Japanese manufacturer Daihatsu, beginning with a three-wheeled mini truck launched in 1957 and revived as the Midget II kei truck in 1996.
Daihatsu Mira (ダイハツ・ミラ)
The Daihatsu Mira (ダイハツ・ミラ), exported as the Daihatsu Cuore, is a kei car produced by Daihatsu since 1980 and the company's core kei passenger model.
Daihatsu Terios (ダイハツ・テリオス)
The Daihatsu Terios (ダイハツ・テリオス) is a compact SUV from Daihatsu, launched in Japan in 1997, and built since 2007 in Indonesia as a seven-seater sold alongside its twin, the Toyota Rush.
Daimler Company
The Daimler Company, also known as the Daimler Motor Company, was a British vehicle manufacturer in Coventry formed in 1896, regarded as the start of the British motor industry.
Daimler GenH2
The Daimler GenH2 is a Mercedes-Benz hydrogen fuel-cell semi-trailer tractor developed by Daimler Truck for long-haul haulage, targeting over 1,000 km of range and 10 to 15 minute refuelling.
Daimler Truck
Daimler Truck is a German commercial vehicle manufacturer of trucks and buses, formed as a separate listed company when spun off from Daimler AG in 2021.
Dainese
Dainese is an Italian manufacturer of protective equipment for motorcycling, alpine skiing, and mountain biking, founded by Lino Dainese in 1972 and headquartered in the Veneto region.
Dalton Highway
The Dalton Highway (Alaska Route 11) is a 414-mile, mostly gravel highway in northern Alaska running from Livengood to Deadhorse at the Prudhoe Bay oil fields.
Damri
Damri, formally Perusahaan Umum DAMRI, is Indonesia's state-owned land transport company. Founded on 25 November 1946, it runs intercity buses, airport shuttles, logistics, and remote pioneer routes.
Dana 60
The Dana 60 is a heavy-duty axle made by Dana Incorporated since 1955, used in 3/4-ton and 1-ton pickups and popular for off-road axle swaps.
Dangerous goods
Dangerous goods, also called hazardous materials or hazmat, are substances that risk health, safety, property, or the environment in transport, regulated across nine UN hazard classes.