About a mile offshore from Kaneohe Bay on the Hawaiian island of Oahu, a yellow, doughnut-shaped contraption bobs up and down with the motion of the ocean. The hulking device, as wide as a school bus is long, looks a bit like a massive buoy or life raft. In fact, it’s a wave energy converter — one example of a new renewable energy technology that transforms ocean waves into electrical power. Experts see big things for wave energy. If they’re right, arrays of wave energy converters moored along coastal regions of the U.S. will be providing power to millions of homes in coming decades.
NBC News 24th Nov 2017 read more »