America is the land of the SUV and so it's no surprise that Volkswagen came here to launch its CrossBlue plug-in concept. The SUV features a front-mounted diesel engine paired with an electric motor in a traditional hybrid configuration, plus a second, more powerful electric motor in the rear to drive those wheels in the back. This configuration gives it all wheel drive and also allows the ECU to either send power to or retrieve power from (in the form of regeneration) either motor to recharge the on-board battery pack -- which can also be juiced up by plugging into the wall.
