"hydrogen engine" only work in oxygen environment
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"hydrogen engine" only work in oxygen environment some reality pls [we dont use piston based engine in space] in spece use fuel cell.
"hydrogen engine" only work in oxygen environment some reality pls [we dont use piston based engine in space] in spece use fuel cell.
To not make too many changes I think maybe there could be a space version that is closed and also uses oxygen.
To not make too many changes I think maybe there could be a space version that is closed and also uses oxygen.
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