Visitors look at the chassis of the new Audi Q7 E-Tron Quattro diesel-electric car during the second...
Visitors look at the chassis of the new Audi Q7 E-Tron Quattro diesel-electric car during the second press day ahead of the 85th International Motor Show in Geneva March 4, 2015. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: TRANSPORT BUSINESS)