The use of a type of battery with a history of overheating raises safety concerns.
A California startup, with strong venture backing, says it can slash the cost of solar power with its concentrator technology.
An MIT chemical engineer explains why new technologies could finally make "heat mining" practical nearly anywhere on earth.
Affordable solar power using auto parts could make this electricity source far more available.
The U.S. government plans to produce a buyer's guide to power-converting roofing materials.
The booming solar-cell industry is driving investment in newer technologies that could make solar power as cheap as electricity from the grid.
By investing in energy efficiency, we could vastly reduce carbon dioxide emissions and save money.
A sun-drenched look at how this agricultural giant has become a global leader in biofuels.
28 Years Ago in TR: "Massive ocean thermal energy conversion plants may be turning this heat to usable electricity by 1985." -- William F. Whitmore
A consistent strategy is the key to a successful nuclear future.