Porsche takes top two spots at Le Mans, Audi third
Green Car Congress
JUNE 14, 2015
Porsche competed this year in the 8 MJ category (8 MJ of recovered energy per race lap—the highest of the current four energy categories in the LMP1 class. Porsche increased the combustion efficiency of the now lighter and more rigid 2-liter V4 turbocharged gasoline engine for its second season.
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