In the face of steeply rising oil prices and political turmoil in the middle east there is new urgency in finding a solution to our uncertain energy future.
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Breakthroughs in new materials and ingenious designs for solar collectors are.
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In the face of steeply rising oil prices and political turmoil in the middle east there is new urgency in finding a solution to our uncertain energy future.
Reviewed in the united states on january 24 2011.