In an average day, tropical oceans absorb about 278 petawatt-hours of solar energy. Harvesting just 1/4000th of that energy would supply the entire world's daily electricity – and ocean thermal energy ...

For several years, CalWave has been developing its xWave clean power technology. Now, the company announces the completion of a long-term open-ocean test off the coast of San Diego, during which the ...

If you find yourself in the Australian port city of Albany and spot a humongous yellow machine bobbing in the waves of King George Sound, don't be alarmed. It's just a generator prototype making a ...