Intensifying EV competition leads to increasing battery size 20th July 2016 Batteries, EV, Membership, TeslaAudi, Porsche, Toyota, Volvo Audi, Porsche, Volvo and Toyota outline low emission intentions but Tesla continues to lead the way with launch of industry’s largest mainstream EV battery . . . Login to continue reading! This article is restricted to Benchmark Members Login Not subscribed yet? Subscribe Today!