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With the loan guarantee, the company can start construction on its 250-megawatt Gila Bend plant, which will be big enough to power at least 75,000 homes.
Abengoa Solar, a company focused on renewable energy technology, says that its second solar tower near Seville generates 20 megawatts of electricity.
Conditional loan guarantees offered to two key solar projects in California.
Department of Energy will spend $62 million on projects designed to increase the output of concentrating solar power systems by adding hours of heat storage.
Under pressure to spur job growth, president says two solar energy companies will get nearly $2 billion in U.S. loan guarantees to create as many as 5,000 green jobs.
The new technology could move the United States away from its dependence on fossil fuels--if it can overcome the high price tag for the massive plants needed.
Germany's Solar Millennium, which develops utility-scale solar thermal projects, begins insolvency proceedings as a solar industry shakeout spreads.
National Research Council says that without "major technological innovation or policy changes" long-term targets for cellulosic biofuels are not likely to be met.
Car and Driver's fuel-saving technology list; Philippe Starck's home wind turbine; ReCellular raises funds for phone recycling; more on the clean-tech bubble discussion.
Here's the BMW 650i Coupe that CNET reporter Daniel Terdiman is driving on Road Trip 2012. But what's it parked in front of? If you know, you could win a prize in the Picture of the Day contest.