The first thing to consider is the fuel system. The tank must be replaced with one that can handle the high pressure of 700 bar. Getting hold of such a tank will be a question in itself, currently these are not available at the local car accessories store, but there are companies specializing in developing and producing tanks for high pressurized hydrogen, or possibly you could get a bottle from a gas supplier.[1]

 


[1]‘(Kroyan et al. 2022)