Fuel cell-powered cars provide the efficiency and driveability of an electric vehicle while also offering the unlimited range of a traditional gasoline powered car -- assuming you can find a place to top off those hydrogen tanks. Right now that's a bit of a problem, but Mercedes Benz is out to show that it's not nearly as big of a hindrance as everyone makes it out to be. It'll be driving the B-Class F-Cell model around the world, starting in Stuttgart and motoring down to Lisbon, flying over to the US and driving across that, then acr