Finally it looks as though hydrogen may replace petrol. Hydrogen is one of the only elements that has the capability of replacing petrol. Not only is hydrogen cheap, more importantly it is environmentally friendly. Though this BMW does not completely run on hydrogen gas, it shows that we are going in that direction. Unlike running on gasoline and emitting polution, running on hydrogen emits nothing more than water vapor! Though this BMW Hydrogen 7 runs on hydrogen it still performs.
