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A team of engineers are flipping a switch today on a green technology that harnesses the stored energy of the ocean using the temperature difference between warm surface and cold deep water to produce electricity. Known as OTEC, or ocean thermal energy conversion, the process could be a game-changer for much of the world's tropical coastlines and islands. After a decade of work, tech firm Makai Ocean Engineering is beginning to supply the grid with power from OTEC in a small research facility in Kona on the big Island of Hawaii. [Source: Discovery News]
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