New York Times: Gherardo Corsini, director of electric vehicle implementation at General Motors’ Opel/Vauxhall unit, made his way Sunday to Geneva from Germany more quietly than most. He was at the wheel of a prototype of the Opel Ampera. “Getting lots of curious looks at the rest area,” one of Mr. Corsini’s passengers, Dietmar Thate, manager of social media for Opel, tweeted after the car made a short stop Sunday. The hybrid car, which will be put on display this week at the Geneva …