Audi drivers Andre Lotterer, Benoit Treluyer and Marcel Fassler made it two World Endurance Championship race wins out of two after another thrilling race with Porsche.The Audi triumphed in the Le Mans-spec, low-downforce R18 e-tron by just 13 seconds from the Porsche 919 Hybrid shared by Marc Lieb, Romain Dumas...