Green Cars for Those with Lots of Green

Two small California-based carmakers, Tesla Motors and Fisker Automotive, combine fuel economy and high-speed thrills

Green Gets Real at Geneva Auto Show

Environmentally friendly cars are no longer just a PR ploy for automakers. But there's still a lot of mileage left in gas-powered vehicles

Cities: A Smart Alternative to Cars

Creating compact communities—and eliminating the need to drive everywhere—may be the best way to slash greenhouse gas emissions from vehicles

Fear and Loathing and Green Tech in Detroit

U.S. carmakers at the Detroit auto show have a green agenda. But is it enough to get them back into the black?

Diesel: Greener Than You Think

Clean diesel cars offer high mileage and impressive performance, but their reputation as smoky and smelly alternatives could slow U.S. sales
Slide Show: Diesels Are Back—and Now Green

The Road to a Stronger CAFE Standard

U.S. automakers were powerless to stop new fuel-efficiency legislation. Now they have to get toiling to meet the mandate

Diesel Design by EcoMotors

Venture capitalist Vinod Khosla, a green-startup proponent, is banking on EcoMotors' two-cylinder diesel engine to lessen emissions worldwide

Carbon Offsets Take Flight

Many airlines now offer passengers the option of compensating for carbon emissions via tree-planting and other programs. Should they just fly less?

Video: GM's Vice-Chairman on the Road Ahead

General Motors Vice-Chairman Robert Lutz discusses global warming, the Pontiac brand, and whether outside investors could influence the carmaker

Revolutionizing Urban Transport

British startup Ultra Motor is bringing its two-wheel light electric vehicle to the U.S. With cities crowded and oil prices high, the time is right
Slide Show: Urban Transport Goes Green

The Oomph Behind BMW's Diesel

The 330d, only available in Europe, is nonetheless a prime example of the mileage-friendly diesels that are coming to the U.S.