News tagged with alternative energies

Navy tests ocean drones off US coast

Just beneath the placid, sailboat-dotted surface of Narragansett Bay, torpedo-shaped vehicles spin and pivot to their own rhythm, carrying out missions programmed by their U.S. Navy masters.

Aug 08, 2012
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How affordable is alternative energy?

Alternative energy sources that are cost-competitive with fossil fuels may be closer than most people realize. Recent renewable energy research has shown that solar, hydropower, wind and other alternative sources are closing ...

Aug 01, 2012
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