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A U.S. Navy ship is being powered by 100-percent renewable diesel fuel – the first of its kind, according to the fuel makers. The Self Defense Test Ship last week completed the trial run powered by a renewable diesel fuel called ReadiDiesel. The alternative fuel is being produced by fuel makers Applied Research Associates and […]

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General Motors will be teaming up with the U.S. Navy to develop hydrogen-powered unmanned undersea vehicles (UUVs). Fuel-cell UUVs have the capacity to operate independently 70 days at a time, and would replace more limited battery-drive systems currently in use in so-called UUVs, according to Navy officials. “If you want long endurance you really need […]

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