A couple of years ago, we told you about an eco-friendly resort in the U.S. that was planning on using solar-diesel hybrid houseboats designed by Solarsailor. The boats would feature large, moving photovoltaic “wings” that would not only track the sun to gather energy, but also serve as rigid sails – so the boats could move via solar, diesel or wind power. When docked, the boats’ panels would still gather solar energy, which they would feed into the resort’s power grid. The technology has now been implemented on a passenger ferry, the Suntech-Guosheng, that will take up to 180 sightseers on cruises of the Huangpu River as part of the Shanghai World Expo.
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