Porsche Cayenne e-Hybrid: Plug-In Porsche Due 2014?Porsche Cayenne e-Hybrid: Plug-In Porsche Due 2014?
Porsche already offers a hybrid variant of its sports SUV, the Cayenne, but it’s more about stemming the car’s massive thirst than it is a truly green vehicle. A plug-in hybrid version coinciding with a mid-cycle...