Mercedes has just announced its latest "research vehicle," the F800 Style, and as concepts are wont to do, it intersperses some extremely ambitious goals with plenty of viable and forthcoming improvements. The two powertrain options touted by the company represent this best. On the one hand, there's a perfectly reasonable PHEV setup that will generate north of 400bhp combined grunt and offer an 18-mile range when abstaining from gas power. On the other, there's an electric drive with
