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by zppln 1363 days ago
Having listened to both Boeing and Airbus recently, neither seem to see any alternatives to SAF for long haul though.

Hydrogen has it's challenges. I heard someone did the math on running Heathrow exclusively on it who came to the conclusion that you'd basically need 3-4 reactors to produce it.

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Hydrogen production, though, is one of the workable applications of wind turbines.