Washington's growing interest could help make plug-in hybrids more affordable. The payoff: 150 miles per gallon.
A Canadian government decides that coal plants must clean up their act.
A direct method of converting methane into useful chemical compounds could reduce the release of the potent greenhouse gas at isolated oil fields.
New reactor technologies offer poorer nations cheap, safe, efficient power. Sanctions designed to prevent the proliferation of weapons impede their use. What would a better policy look like?
Fuel from grass and wood chips could be big in the next 10 years--if the government helps.
A new process turns the greenhouse gas into useful materials.
Cheap organic molecules could more efficiently convert waste heat into electricity.
A new YouTube video demonstrates one company's energy-storage nanotechnology.
By measuring nanoscale forces, researchers learn to make lithium-ion batteries that pull themselves together.
Better models are rapidly defining the uncertainties ahead, says leading climate scientist Ronald Prinn.