With a maximum electric-only speed projected to top that of Prius plug-in, C-MAX Energi drivers might be able to reach wherever they're going a little faster, too.
Maximum range is about 6 miles, and the topspeed with the current gear ratios is about 4.5mph the imagined use is carrying it on the train and zipping from the station to your destination, though at 27-pounds it's a bit of a hefty package to lug around.