The mid-size truck captured top fuel-sipping honors away from Ram's full-size EcoDiesel.
As the Formula One season ends, a new series takes its place -- but instead of internal combustion engines, these new cars pack lithium-ion batteries and motors that sound like TIE Fighters.
The Rolling Stones, Arctic Monkeys and Mumford and Sons will share the Glastonbury air with EE's free Wi-Fi -- from the back of a tractor.
The world's largest fat-fueled power station will generate some 130 GWh a year. And "fat icebergs" won't end up in landfill sites.
Millions of pounds of fat from alligators, which are not threatened, is thrown away every year but the fat is more suitable than other animal fats for biodiesel, a study finds.
Europe's world-leading industry is now on the verge of being legislated out of existence after the studies reveal biodiesel's indirect impact cancels out most of its benefits.
Projects funded include those utilizing ethanol, biodiesel, and landfill gas made from a variety of renewable biomass resources.
Green-tech incubator shows interest in variety of startups from window treatments to biodiesel.
Government researchers say they've successfully engineered a substance called bisabolane into a biosynthetic alternative to diesel fuel.
Pushing new frontiers at NASA's Green Flight Challenge, trying to make a Prius fly.