Porsche Unveils Prototype Battery

ReutersPorsche Unveils Prototype Battery-Driven Sports CarWall Street JournalFRANKFURT—Porsche, the German sports car maker, Monday unveiled a prototype battery-driven sports car with which it aims to challenge Tesla Motors Inc., TSLA 1.34 % the upstart maker of high-end electric cars whose success has shaken more ...Porsche and Audi unveil electric cars to take on TeslaReutersall 28 news articles »