E-tron , the new Electric Sports Car Concept from Audi will be present at the IAA in Frankfurt, Germany. It will rival head-to-head the with similar ecological concepts cars, BMW EfficientDynamics and Mercedes SLS eDrive. The Audi R8-based e-Tron is able to freely distribute the powerful torque of its four electric motors to the wheels as required. This so-called torque vectoring allows for dazzling dynamics and an undreamed-of level of agility and precision when cornering. read more..»