BMW Prepping Production Version Of Vision EfficientDynamics Concept

We brought you the first official details on the Vision EfficientDynamics concept straight from last year's Frankfurt Auto Show, but here's a quick refresher: it's a three-cylinder diesel, four-door, plug-in hybrid that promises M Division performance from its combined 356-horsepower, 590-pound-foot output.The arrangement of the hybrid powertrain allows the diesel engine to drive the rear wheels