Amyris's large-scale demonstration plant will make diesel from sugarcane.
Solar technology that generates both heat and electricity could make solar energy practical in places that aren't sunny.
ESolar expects to start up its large solar thermal plant soon.
Steve Isakowitz, the Department of Energy's CFO, on how the agency will spend billions on energy technology.
A California company's lithium metal-air batteries are lightweight and energy dense.
The DOE's backing revives a pioneering clean-coal project.
Researchers at a California National Lab will soon attempt to start self-sustaining fusion reactions using the world's largest lasers. If it works, it could be a first step on the road to abundant fusion power.
The federal government is about to spend billions of dollars on renewable energy. In Part II of our series on the federal stimulus bill, we look at the impact the spending will have on the future of solar power.
A research project cuts the electric cord, wirelessly charging an electronic device.
A Chinese-built electric sedan could be the first on sale in the United States, but it will quickly face competition.