According to Mercedes, in 15 years we’ll have large luxury vehicles with zero emissions and a range of more than 500 miles. At least, that’s the idea behind the recently unveiled F 125! research vehicle, which is Mercedes’ vision of the future for the year 2025. It’s an all wheel drive, hydrogen-powered plug-in with four electric motors at each wheel. According to Mercedes, the luxury sedan utilizes a new type of hydrogen storage technology.