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Both Siemens and GE bet on direct-drive generators.
One researcher shows how your house’s power could be shut down remotely, but the threat is only theoretical–for now.
A one-step process creates a highly antireflective layer for photovoltaics.
A startup’s catalytic process converts biomass directly into components of gasoline.
Ten wave and tidal projects will generate 1.2 gigawatts of power.
Plastic cells are lighter than silicon ones, but they’re not as efficient–one company aims to fix that.
The devices could help stabilize the grid, and make charging electric cars cheaper.
The money has helped the solar and wind industries, but hasn’t created many manufacturing jobs.
Obama considers nuclear power and offshore drilling, backs off from cap and trade.
Antireflective film helps the cells maintain their yield.