Audi revamps 2015 R18 e-tron quattro Le Mans diesel hybrid racer; 4MJ class
Green Car Congress
MARCH 23, 2015
Audi, the only manufacturer to date to have won the Le Mans 24 Hours with hybrid racers, has doubled the amount of energy recovered per race lap from 2 to 4 megajoules (MJ). As another new rule this year, only five engines per race car may be used during the entire season. Diesel Hybrids Motorsport'
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