Audi revamps 2015 R18 e-tron quattro Le Mans diesel hybrid racer; 4MJ class
Green Car Congress
MARCH 23, 2015
Therefore, Audi has increased the capacity of the energy storage system as well. The encapsulated WHP flywheel energy storage system that sits in the cockpit alongside the driver can store up to 700 kilojoules (KJ) of energy that it subsequently returns to the electrical machine—about 17% more than in 2014.
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