Start-up raises $35 million for concentrating photovoltaic system that uses lenses to concentrate sun 1,300 times onto high-efficiency solar cells.
Concentrating-solar company GreenVolts is one of a few solar start-ups that has shifted strategies to sell equipment rather than develop renewable energy projects.
More money pours into companies that can concentrate sunlight.
Every year at the Los Angeles Auto Show, Green Car Journal crowns one new car the Green Car of the Year.
GM is expected to show off the plug-in electric on Tuesday, and the initial focus is likely to be its looks. But what about the car's potential fuel and cost savings?
Running the numbers on the reported solar-powered Prius; GreenVolts eyes more cash; a clean-tech fund from a steel manufacturer; U.S. policy halts solar investments; debate over enough energy innovations; solar-power streetlights in Baghdad.
Volkswagon's ultra-efficient concept car; sequestering carbon while making fuel; Europeans consider dropping biofuels mandates; second-quarter clean-tech venture investments remain strong; and more.
"Green collar" jobs study; optimizing solar panels; solar travel bags; and a scorecard on next-generation ethanol.
Judges of the "start-up in a box" prize for fledging green-tech companies will narrow the finalists down to six winners by November.
Who wield the power of 625 suns? PG&E.