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The Shell Eco-Marathon is an annual competition sponsored by Shell, in which participants build special vehicles to achieve the highest possible fuel efficiency. The Eco-Marathon is held around the world with events in Europe, the Americas and Asia. Entrants come from several backgrounds including enthusiastic amateurs, university teams and staff of major motor manufacturers. ==History== In 1939, a group of Shell scientists based in a research laboratory in Wood River, Illinois, USA, had a friendly bet to see who could drive their own car furthest on one gallon of fuel.〔http://www.byronwine.com/files/Shell%20P221.pdf〕 The winner managed a distance of . A repeat of the challenge yielded dramatically improved results over the years: * 149.95 MPG with a 1947 Studebaker in 1949 * 244.35 MPG with a 1959 Fiat 600 in 1968 * 376.59 MPG with a 1959 Opel in 1973. A world record was set by a French team in 2003 called Microjoule with a performance of . The current record is , set in 2005 by the PAC-Car II. The world record in diesel efficiency was achieved by a team from the Universitat Politècnica de Valencia (Politechnical University of Valencia, Spain) in 2010 with 1396.8 kilometres per litre. In contrast, the most efficient production diesel passenger cars achieve , and some high-powered sports cars achieve as little as . The current European Shell Eco-marathon () record for a combustion engine entry was set in 2004 by the team from Lycée La Joliverie (France) at 3,410 km on the equivalent of a single litre of fuel. Prototype vehicles using fuel cells are capable of greater energy efficiency. In 2005, a hydrogen-powered vehicle built by Swiss team ETH Zurich achieved a projected 3,836 km on the equivalent of a single litre of fuel. This is equivalent to the distance between Paris and Moscow. In 2013, ethanol effiency world record was set by Toulouse Ingenerie Multidisciplinarie with 3100km of a single litre of ethanol. This is equivalent to the distance between Toulouse and Istambul. 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「Shell Eco-marathon」の詳細全文を読む スポンサード リンク
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