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Greyhound Lines
Greyhound Lines is an American intercity bus company founded in 1914, the largest long-distance bus carrier in the United States, owned by Flix SE since 2021.
Gross vehicle weight rating
Gross vehicle weight rating (GVWR) is the maximum loaded weight a manufacturer assigns a vehicle, on its certification label; at 10,001 pounds or more it triggers federal commercial safety rules.
Grouted macadam
Grouted macadam is a semi-flexible pavement material made by filling the voids of open-graded asphalt with cementitious grout, first developed in France in the 1950s.
Grumman LLV
The Grumman LLV, or Long Life Vehicle, is a right-hand-drive mail delivery truck built by Grumman on a General Motors chassis for the United States Postal Service since 1987.
Gruppo Bertone
Gruppo Bertone, commonly Bertone (Carrozzeria Bertone), was an Italian coachbuilder and design house founded in Turin in 1912 by Giovanni Bertone, known for the Lamborghini Miura and Countach.
GT Academy
GT Academy (2008–2016) was a Nissan, PlayStation and Polyphony Digital virtual-to-reality competition turning Gran Turismo players into professional racing drivers; 22–23 graduates included Lucas Ordóñez and Jann Mardenborough.
Guangxi Automobile Group (广西汽车集团)
Guangxi Automobile Group (广西汽车集团), also known as Wuling Group, is a Chinese automotive manufacturer based in Liuzhou, Guangxi, formed in 2015; it holds a minority stake in SAIC-GM-Wuling, maker of the Wuling and Baojun brands.
Guard cable end terminal
A guard cable end terminal is the crash-treated end of a roadside guardrail, designed to decelerate or redirect a vehicle rather than let the rail spear into it.
Gumpert Apollo
The Gumpert Apollo is a German mid-engined sports car built from 2005 by Gumpert Sportwagenmanufaktur in Altenburg, known for its record 7:11.57 Nürburgring lap in 2009.
Guy Martin
Guy Martin, born 1981 in Grimsby, is a British former motorcycle road racer and television presenter known for 17 Isle of Man TT podiums without a win.
GWM Cannon Alpha
The GWM Cannon Alpha, also sold as the GWM Shanhai Cannon, is a large 4x4 pickup built by Chinese automaker GWM, sold in Australia and New Zealand from 2024.
GWM Poer
GWM Poer (Chinese: 炮, meaning "cannon") is a pickup truck from China's Great Wall Motors, launched in 2019 and sold in export markets as the GWM Ute or Cannon.
GWM Souo motorcycles
GWM Souo (长城灵魂) is the motorcycle brand of Chinese automaker Great Wall Motor, known for the S2000, the first production motorcycle with a horizontally opposed eight-cylinder engine.
GXO Logistics
GXO Logistics is an American contract logistics company headquartered in Greenwich, Connecticut, spun off from XPO Logistics in 2021, which designs and operates warehouses and fulfillment centers for other businesses.
Gyeongbu Expressway
The Gyeongbu Expressway (경부고속도로) is a principal South Korean toll expressway connecting Seoul and Busan, built from 1968 to 1970 as the backbone of the country's road transport.
Gypsy Joker Motorcycle Club
The Gypsy Joker Motorcycle Club, also known as the Gypsy Jokers MC, is an outlaw motorcycle club founded in San Francisco in 1956, active mainly in the Pacific Northwest since the 1980s.
Haas VF-26
The Haas VF-26 is a Formula 1 racing car built by the American Haas F1 Team, powered by Ferrari with Toyota Gazoo Racing branding, for the 2026 season, driven by Esteban Ocon and Oliver Bearman.
Hackney carriage
A hackney carriage, also known as a hackney cab or black cab, is a vehicle licensed in the United Kingdom to carry paying passengers without a prior booking.
Haddon matrix
The Haddon matrix is a two-dimensional framework for injury prevention, developed by William Haddon Jr in the 1960s road safety field and widely used to identify countermeasures systematically.
Half helmet
A half helmet, sometimes called a pudding bowl, is a motorcycle helmet covering only the top half of the cranium, leaving the face, chin, and jaw exposed.
Half-track
A half-track is a vehicle steered by front wheels and driven by rear caterpillar tracks, best known from the World War II M3 and German Sd.Kfz. 251 carriers.
Hamburg wheel tracking test
The Hamburg wheel tracking test is a laboratory test that rolls a loaded steel wheel over submerged hot asphalt specimens to measure resistance to rutting and moisture damage.
Hanshin Expressway
The Hanshin Expressway (阪神高速道路) is a 258.1-km network of tolled urban expressways serving Osaka and Kobe in Japan, carrying about 700,000 vehicles a day since 1964.
Hard shoulder running
Hard shoulder running, also called part-time or temporary shoulder use, is a traffic management strategy that opens a road's paved shoulder as a travel lane during peak hours.
Hardtop
A hardtop is an automobile body style with a rigid metal roof and no center pillar between the side windows, pioneered by the 1949 Buick Roadmaster Riviera.
Harley Davidson and the Marlboro Man
Harley Davidson and the Marlboro Man is a 1991 American neo-Western biker action film directed by Simon Wincer, starring Mickey Rourke and Don Johnson, a box-office failure later known for its trademark dispute and cult following.
Harley-Davidson
Harley-Davidson, formally the Harley-Davidson Motor Company, is an American motorcycle manufacturer founded in Milwaukee in 1903, known for heavyweight cruisers, touring bikes, and a lifestyle brand.
Harley-Davidson engine timeline
The Harley-Davidson engine timeline traces the company's engines from the 1903 F-Head single to the Milwaukee-Eight, with the Big Twin keeping a 45-degree V-twin since 1909.
Harley-Davidson Evolution engine
The Harley-Davidson Evolution engine, nicknamed "Blockhead," is an air-cooled 45-degree pushrod V-twin introduced for 1984 to replace the Shovelhead, powering about one million big twins through 1999.
Harley-Davidson FL
The Harley-Davidson FL, known as the Electra Glide, is Harley-Davidson's big-twin heavyweight motorcycle line, introduced in 1941 and carried through successive engines into today's Touring, police, and CVO ranges.