Reduce weight: Audi and Lamborghini trace the future of the automobile

The challenge ahead is all del'automobile in weight, which must fall. So every new model of the German group will weigh less than the previous one, a major turnaround compared to the general trend that coincides with a new symbol, which would accompany any future car "read" Ultra. E-Tron identified as electric cars, the cars then Ultra define symbol of the new era. How to obtain the goal? With