Popular Mechanics takes the BMW hydrogen combustion 7-series out for a road test. This vehicle comes equipped with both a conventional 74-litre (16.3 Imp gal) gasoline tank and an additional fuel tank taking up approximately 8 kilos or 17.6 lb of liquid hydrogen. Video after the break.
Imagine if every taxi in NYC were powered by the BMW’s hydrogen-fueled V8: The only thing coming out of their tailpipes would be water vapor. Filling part of the Bimmer’s trunk space is a tank filled with cryogenic hydrogen, enough to drive the luxury sedan about 150 miles