No. Problem!
Liquid hydrogen takes up too much space and hasn't the energy density to get anywhere near jet-A and the like. Absent an entirely unexpected breakthrough in battery technology - well, physics trumps technology, so It's either 'sustainable aviation fuels' (problematic in their own right) or we need to pack in 95% of mass aviation. Or the earth is doomed. My money's on doomed, TBPH.
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Biting the hand that feeds IT
