Startup GMZ Energy raises $14 million to make materials that convert heat to electricity, including a solar hot thermal product and chips to draw electricity from car exhaust pipes. Martin LaMonica is ...

Comparing glazed and unglazed TSCs, researchers found glazed TSCs reduced ventilation heating loads by up to 90%, while ...

3M's Renewable Energy Division and Gossamer Space Frames have unveiled what they claim is the world's largest aperture parabolic trough solar collector. Called the Large Aperture Trough (LAT) 73, it ...

The system takes water from near the bottom of a solar heat storage tank and pumps it through a collector — where it’s heated by the sun — and then back to the tank. This continues as long as there’s ...

The transparent solar concentrator material doesn’t block visible light, but turns light in other parts of the spectrum into electricity. Yimu Zhao If we stand any chance of reversing or even slowing ...

This home is heated by a wood stove in the winter, which also produces hot water. But the other three seasons it’s an electric water heater that does the work. This latest hack is a solar collector ...