A portable plant might make it economical to transform huge amounts of logging "waste" into energy -- right in the forest.
Sequestration technology is increasingly ready for prime time, but the required policy lags behind, says MIT expert Howard Herzog.
Simple technologies save energy and lives
A safe, high-capacity method could make carbon sequestration more practical.
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.