(http://media.il.edmunds-media.com/porsche/boxster-e/ns/porsche_boxster-e_actf34_ns_52511_196.jpg) Porsche tests three battery-powered Boxster E prototypes at the Michelin Challenge Bibendum in Berlin.
Source: More Details on Porsche Boxster E (http://www.insideline.com:80/porsche/boxster/more-details-on-porsche-boxster-e.html)