The FIA World Endurance Championship WEC demonstrates the ultimate of all world championships The high tech LMP1 race cars are fully focused on effi ciency CUTTING EDGE TECHNOLOGY to invent increasingly e cient automobiles as well In the WEC fuel consumption has been de ned on a maximum level Porsche for instance may use 4 31 liters of gasoline per lap or else be subject to time penalties At the same time the regulations provide in centives for wasting less energy Energy recu peration systems assist in this With the 919 Hybrid Porsche has opted for a combination of kinetic energy recuperation at the front axle and conversion of exhaust energy at the rear and all this in the most challenging recup eration class In this top end category eight megajoules of electric energy may be used on the 13 629 kilometers per lap at Le Mans There are three other classes with recovery of only two four and six megajoules Reliability is an absolute must And beyond that the most powerful contenders always won at Le Mans for decades they were the fastest and rst to cross the nish line a er 24 hours 2014 saw a revolution From that year on the power output of the race cars was no lon ger regulated but their energy consumption expressed in megajoules in other words not the energy that s put on the wheels but the one that flows into the fuel tanks and batte ries This rule has been rewarding the most e cient instead of the most powerful conten ders ever since at Le Mans and at the other rounds of the WEC PARADIGM SHIFT IN MOTORSPORT This has created a perfect parallel as the design engineers in volume production have 3

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