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Harnessing the power of waves

S.F. considers ocean-based renewable energy

San Francisco Mayor Gavin Newsom believes tapping into tidal and wave power is a swell idea. But how feasible and realistic is this new renewable-energy technology? CNET News.com's Kara Tsuboi sits down with the mayor to find out.

Tags: kara tsuboi, gavin newsom, tidal power, golden gate bridge, bay, san francisco, waves, ocean, beach

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