Burt Hammer from Seattle-based Hydrovolts shows off a hydrokinetic turbine designed specifically for man-made canals. Canals are an interesting place to harvest energy because the turbines can be installed without lengthy environmental studies to monitor the effect on aquatic life, Hammer said. The company's plan is to build three sizes, with the largest able to fit into a shipping container and generate 10 kilowatts of power.
March 7, 2011 9:25 AM PST
Photo by: Martin LaMonica/CNET
| Caption by: Martin LaMonica
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