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.
A sun-drenched look at how this agricultural giant has become a global leader in biofuels.
Don’t expect the scarcity of fossil fuels to drive us toward alternative energy sources anytime soon: we’re getting smarter about finding and extracting oil.
The U.S. Energy Department’s fuel-recycling initiative could be a distraction from a more achievable goal: reviving today’s nuclear industry and averting some carbon emissions in the short term.
A well-financed California startup is promising to build a solar-cell factory that could finally make solar power affordable.
Nanostructured electrodes and active materials could shrink batteries for portable electronics and electric vehicles.