11 of 14
Mercedes Ener-G-Force concept
The Mercedes Benz G-class -- not to be confused with the more common GL-class -- has not changed much in decades. The G-class is Mercedes' boxy, truck-like big SUV that sells, in this country, at prices starting just over $100,000.
By 2025, if the G-class ever does change, it may look something like this softer, rounder off-roader. The Ener-G-Force is an "environmentally friendly" SUV, it converts recycled water stored in roof tanks into hydrogen for propulsion.
- Last updated December 10 2012 12:01 PM ET
