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Evergreen Solar was a darling of Massachusetts politicians until it fell apart. But there's plenty to learn from what went wrong at this once-promising company.
The ARPA-E program is funding promising cutting-edge research, but there are financial and policy barriers for getting those technologies to a meaningful scale.
The original version of this story misstated which solar modules were installed on the roof of Thyagaraj Stadium. While the solar cells are made by Suniva, the modules are made by Reliance Industries.
Its manufacturing process and improved polysilicon efficiency will produce grid-parity pricing within a few years, start-up Suniva claims.
India's venue for 2010 Commonwealth Games has gone solar as part of 'Green Games' efforts.
1366 Technologies says that it can get 18 percent efficiency with standard silicon cells but changes in the solar industry mean it won't be able to produce cells itself.
The companies invited to the White House on Monday reflect President Obama's belief that the economy will benefit from investments in green technology.
Solar-powered bus shelters; Auto Xprize inspires 100 MPG cars; Planktos looks for a new plan; Americans want clean but costly clean energy; Suniva scores another solar cell supply deal for India; emerging solar scams; LED lighting for NYC.
Green PC reviews; solar start-up Suniva's signs $500 million deal; DOE labs pursue zero-net energy buildings; wacky green-tech company ideas; Nissan's Eco Pedal helps stop lead foot driving; Paris Hilton's hot energy plan; and a reality check on EEStor.