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7 solar-powered buildings that produce more energy than they use

7 solar-powered buildings that produce more energy than they use

Engadget - Inhabitat

By Cat DiStasio As the cost of solar energy falls, more and more buildings are being outfitted with photovoltaic systems -- and some even generate more electricity than they use. Structures like that are called "energy positive" and it's a pretty impressive feat. If your home or business can produce …

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