Colored solar cells could make display screens more efficient

(PhysOrg.com) -- A new kind of screen pixel doubles as a solar cell and could boost the energy efficiency of cell phones and e-readers. The technology could also potentially be used in larger displays to make energy-harvesting ...

LED bulbs hit 100 watts as federal ban looms

Two leading makers of lighting products are showcasing LED bulbs that are bright enough to replace energy-guzzling 100-watt light bulbs set to disappear from stores in January.

Best for batteries: Not too hot, not too cold

(PhysOrg.com) -- Thermal management is crucial in the development of new car batteries; NREL's Large-Volume Calorimeter helps prepare for a surge in electric vehicles.

Huge old home of US envoy to Belgium goes green

(AP) -- Enormous 18th-century houses aren't known as the most energy-efficient buildings in the world. But now the 230-year-old residence of the U.S. ambassador to Belgium has gone green, thanks in large measure to donations ...

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