Audi e-tron prototype achieves Cd of 0.28 through highly sophisticated aerodynamic element

The better an electric car’s aerodynamics, the further it travels, which is why the Audi e-tron prototype has already recorded more than 1,000 hours on the test rig in the Ingolstadt-based Audi Wind Tunnel Centre. In what is notable as the world’s quietest vehicle wind tunnel, Audi engineers have been harnessing the 186mph wind speed […]