Featured in diesel
A Cocktail of Diesel and Gasoline Runs 20 Percent More Efficiently Than Either One Alone
A team of gearheads at the University of Wisconsin-Madison have developed an engine that can handle a blend of gasoline...
Run Your Car on Trees
Could a diesel-producing tree be the key to fuel independence?
A British backhoe manufacturer takes its new engine to an unlikely work site: Utah´s Bonneville Salt Flats
2006 London Motor Show
Green cars galore! The U.K.'s largest auto show debuts a slew of sexy new fuel-sippers
Diesel Wins Respect
Think diesel is stinky and slow? This history-making 220mph racecar aims to prove you wrong. Click inside for video
Technology beat the clatter and smoke of diesel car engines. It's time for a U.S. comeback.