Note that, like an electric or a hydrogen fuel cell, the compressed air tank is not fuel, but only a storage of energy. The bike will actually be powered by coal, or nuclear, or hydroelectric, or whatever the local electricity is generated by.
It does look like an interesting idea, but I'm not sure about the safety aspect. You've got to handle compressed air tanks with due care; if you bust off the nozzle in a fall, it becomes a missile. Seems a sketchy idea on a dirtbike.
Originally Posted by uraberg
Interesting. Any info available on weight and power delivery?
edit: "Less than 100kg", and "Constant high torque"
wonder how high?
That's probably going to depend a lot on how much pressure is in the tank. Like an electric, it'll have max torque right from zero, and be pretty exciting that way. But much like your old CO2 pellet gun, it'll get weaker each pass and fizzle out.