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hazelnut_coffay t1_iy9zs8m wrote

Reply to comment by everybodydumb in Rolls-Royce successfully tests hydrogen-powered jet engine by je97

look up the process used to create most of the hydrogen right now. it’s called steam reforming. it uses natural gas. theres a reason O&G companies are pushing for hydrogen fuel cells as the next energy source.

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EmperorArthur t1_iyedkl0 wrote

Honestly, I'd rather just use a methane jet engine. We can make methane out of pure hydrogen and CO2 if we care enough (Mars), but for the most part we can use what we already have.

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