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Minnesota-based Independent Natural Resources tests a floating pump found to be able to convert 22 percent of ocean wave energy into usable electricity.
An off-shore facility where wave power will be harnessed for desalination could demonstrate a viable option for producing electricity and drinking water in coastal regions.
The Oyster converter starts making electricity using a simple design of a flap moved by waves that pumps water underground to an onshore hydro-electric turbine.
Ocean Power Technology is in final-stage agreements to build wave energy project off Oregon's coast to power 1,000 homes.
The Seadog water pump, which captures the energy of waves to turn a generator, will be used on an offshore platform in Texas to test using ocean power to desalinate water.
The new wave-harnessing electricity generator heads from the test pool to the open ocean in the waters off the Orkney Islands.
The Oyster 2 is expected to be capable of sucking down more energy from ocean waves, to be transferred to an onshore hydroelectric turbine.