E.V.s Force Carmakers to Reinvent ( Audi) on Weight/ Torqueby stephen williams... google for full article
Audi, which markets a variety of electrified S.U.V.s like the E-tron, is developing other designs as pure electrics, said an Audi of America spokesman, Mark Dahncke. The challenges, he said, are formidable: “You have to realize that everything on the car you now take for granted — wheels, brakes, tires — you have to optimize for efficiency.”
Then there’s torque. “There’s immense torque in E.V.s,” Mr. Coke said. “The tendency to put your foot down and deliver that power is obviously a tendency that wears out tires very quickly. So you need to have grip, but you don’t want too much resistance.” And around and around.