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Startups Alta Devices and Semprius boast new solar efficiency records using very different techniques in an effort to knock down the price of solar power.
Researchers seek third-generation solar cells able to capture high-energy photons normally wasted as heat to boost solar efficiency and lower costs.
Start-up Semprius blasts 1,000 suns worth of light onto dot-size solar cells assembled by machines to bring down the cost of concentrating photovoltaics.
Company says a test cell using its cadmium telluride solar technology set a new world record of 17.3 percent efficiency.
Swiss lab improves efficiency for CIGS cells using plastic substrate, beating its own record and U.S. December announcement of 15.7 percent.
World's largest commercial testing site for wind turbine blades opens on the shore of Boston's harbor. U.S. companies will no longer need to go beyond U.S. borders for testing.
The National Renewable Energy Laboratory is teaming up with the California Center for Sustainable Energy to determine lifespan and viable alternative uses for used lithium ion batteries.
The thin-film solar cells to be produced, which will feature 12.8 percent efficiency, were developed by PrimeStar Solar, which is now being acquired by GE, its lead investor.
Monsanto invests in algae research, while VG Energy claims algae scalability improved using info from cancer research.
Maker of SolarWall is testing a new product for the Army that could provide both heating and cooling aids for buildings.