1930s aircraft an inspiration for 100 mpg cars
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EcoMotors is concocting an engine with two pistons in one honking cylinder. It harks back to what plane engineers tinkered with in the 1930s.
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Science & environment: Luxury car brand could swap 1950s glamour for a hydrogen-powered car that drives itself
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The first gas-powered, four-wheeled vehicle makes a test run in a small town in southwestern Germany. Compiled by Tony Long.
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New vehicles are expected to set records for average gas mileage in 2007, driven by improved technology and demand for fuel-efficient vehicles, the government reported.
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More than 100 currently available automobiles get 40 mpg or better. Why are all but two unavailable in the United States? In Autopia.
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Whether small, medium or large, these cars are equivalent to a quart-sized espresso: An eye-opening way to start the working day.
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Pratt & Whitney's EcoPower Engine Wash bathes the compressor, turbine and fan of jet engines to improve fuel efficiency by 0.5 to 1.5 percent, an amount that if applied industry wide, could help airlines save more than 2 billion pounds of fuel each year.
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By Nash, Steve  Biofuel's the thing, the new universal solvent, the energy elixir, the great wet hope. Your next car-or maybe the one after- could run on corn, or soybeans, or old pizza boxes.
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Smaller engines, lighter vehicles and lots of turbochargers and hybrids should do the trick.
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Plans to make cars greener by using fuel made from crops and animal fat are in doubt
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Business & money: The way planes take-off, fly and land in Britain will be overhauled in bid to cut aviation emissions by 10%
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Business & money: Budget airline shows off prototype for aircraft it says could halve carbon dioxide emissions. By Dan Milmo.
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After decades of criticism from car owners and environmentalists, the EPA has revised its fuel-mileage estimates for new cars in the U.S.
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Diesel engines deliver great mileage but emit polluting gases.
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Standing on the threshold of the 20th century, the world seemed so young and carefree. In the warm summer air, the songs of birds could be heard and at times drowned out by the whir of the lawn mower. The clip clop of horses' hooves could be heard along the unpaved streets where children played their games. In the cool evenings, the lamplighter made his rounds. Shadows danced off buildings and sidewalks. There were those who enjoyed swinging lazily in the hammock or lazily gliding their canoe on some moonlit lake. Everything seemed settled and comfortable in familiar patterns, but there were changes in the wind. In a little more than 15 years, there would be almost three quarters of a million Model T Fords on the roads in North America.
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The world's first jumbo jet, Boeing's 747, shows that it's ready for service. Compiled by Tony Long.
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Finding the gently used car of your dreams.