Eco-Marathon
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| Category | Electric vehicle |
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| Country |
International Shell Eco-marathon Americas: Detroit, Michigan  Shell Eco-marathon Asia: Singapore  Shell Eco-marathon Europe: London, England 
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| Inaugural season | 1939 |
| Official website | www |
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 such as Duke University and University of Toronto and staff of major motor manufacturers.
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. The winner managed a distance of 21.12 km/L (59.7 mpg‑imp; 49.7 mpg‑US). A repeat of the challenge yielded dramatically improved results over the years:
A world record was set by a French team in 2003 called Microjoule with a performance of 10,705 mpg‑imp (0.02639 L/100 km; 8,914 mpg‑US). The current record is 12,665 mpg‑US (0.018572 L/100 km; 15,210 mpg‑imp), 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 60 mpg‑US (4 L/100 km; 72 mpg‑imp), and some high-powered sports cars achieve as little as 8 mpg‑US (29 L/100 km; 10 mpg‑imp).
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Wikipedia