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The Great Green Fleet is the popular nickname of the carrier strike group serving as the US Navy's proving ground for the strategic and tactical viability of biofuels. The name is an homage to the Great White Fleet of the early 20th century. == Overview == The United States has only 4% of the world's population, but consumes a quarter of its oil. The Department of Defense is the single largest consumer of oil within the US, constituting about 80% of the federal governments usage profile. It is with that in mind that the US military is seeking to change the profile of its energy usage. While each branch of the military has its own goals and plans, the Navy's goals are particularly lofty: * Use 50% less petroleum by 2015〔 * At least 50% of all energy used by the Navy and Marines come from non-fossil fuel sources by 2020 The Navy's efforts are highlighted by the Great Green Fleet, which first sailed in July 2012 during the RIMPAC exercise. The carrier, the USS Nimitz, was nuclear powered, but everything else, including the Nimitz's strike aircraft, ran on a 50:50 mix of petroleum and biofuel derived from cooking oil and algae. Set to fully deploy in 2016, the fleet will combine advances in fuels, equipment, and navigation all in an effort to deploy the most energy efficient, and modern fleet anywhere in the world. "The Great Green Fleet will signal to the world America's continued naval supremacy, unleashed from the tether of foreign oil." - Ray Maybus, Secretary of the Navy 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Great Green Fleet」の詳細全文を読む スポンサード リンク
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