Sun21 is a 14-meter catamaran that was built to show the potential of solar energy for water navigation. The 7,000-mile journey from Basel, Switzerland, to New York is expected to finish in the spring of 2007.
Solar power isn't the only alternative energy source getting a trial run on the high seas. The Earthrace Project is planning to enter a round-the-world competition next year with a powerboat that runs on biodiesel--fuel made from plants and animal fats.
October 9, 2006 7:20 AM PDT
Photo by: Von Peter Gartmann, CH-Munchenstein
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