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I don't think they burn the hydrogen at all. Rather, it's turned into water and free electrons by some chemical process whose details I totally forgot. One ide

I don't think they burn the hydrogen at all. Rather, it's turned into water and free electrons by some chemical process whose details I totally forgot. One idea I've seen floating around would be having small scale nuclear plants near airports producing hydrogen from water and electricity (the reverse process of what happens in the plane turbines).

ElectronCharge 5y ago
You’re talking about fuel cells, which are only used with the smallest (prop) design. The two larger jets are intended to have hydrogen turbines, burning hydrogen and producing water. I love the idea of small modular reactors (SMRs) being used to produce the hydrogen from water. We also need a vast buildout of safe, clean, dependable modern nuclear reactors to provide the developing world with enough energy to make the demographic transition (via a higher standard of living) to better environmental practices.