The former energy secretary, who has begun chasing emerging technologies again, looks back on his successes and failures in government.
A startup called SolidEnergy has developed a kind of lithium-ion battery that stores far more energy.
Researchers have found a way to augment ordinary silicon solar cells with a material called a perovskite.
Carmakers must also push out more of the cleaner vehicles to meet average fleet emissions standards.
640Labs, acquired by Monsanto, provides analytics that can help farmers increase production.
A new design for a molten-salt reactor could make nuclear power safer and more economical.
Kauai’s utility takes a second stab at battery storage as solar heads toward 80 percent of peak power.
GM revealed a concept all-electric hatchback today that it claims will have a 200-mile range.
New exploration on the bulk of Canada’s oil sands reserves can’t start unless prices are at least $60 per barrel, economists say.
A new study pinpoints the type and location of fossil fuels that should remain unburned if the world is to meet its climate goal.