An advance makes the conversion of heat to electricity practical.
NASA prepares to test a satellite that can be propelled by light particles from the sun.
A new process stores carbon dioxide in precast concrete.
Researchers have found a way to boost light from OLEDs.
Researchers consider plug-in hybrids charged by stationary solar arrays a better bet.
New technology could provide a way to harness wave energy.
A more efficient way to concentrate sunlight could reduce the cost of producing solar power.
Ottawa will build the first gasification facility in North America to make energy from waste.
The senator's proposed $300 million prize for an electric-car battery prompts excitement, skepticism.
Rain and floods in the corn-growing Midwest could drive up the costs of producing the biofuel.