US Solar Decathlon seeks best sun-powered homes
For the past week on the National Mall in Washington, international crews have been busy putting up structures for an event showcasing a radiant source of energy that some once revered as a god.
For the past week on the National Mall in Washington, international crews have been busy putting up structures for an event showcasing a radiant source of energy that some once revered as a god.
Energy & Green Tech
Oct 8, 2009
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