Quote:
Originally Posted by Jan-Poo
Well there already systems to use compressed gas as a way to store energy.
And there are also compressed air vehicles.
I'm not aware of anything of the sort that uses compressed gasses different from air.
I suppose that means that air is efficient enough and other gasses wouldn't be worth the effort since you'd need to spend even more energy to extract them or refine them. |
Well, there are paintball guns. Most of them use small canisters of CO2, as do some bb/pellet guns.