Last month, Airbus announced plans for the world’s first zero-emission commercial aircraft models that run on hydrogen and said they could be flying by 2035. Boeing, meanwhile, has done several tests of hydrogen-powered aircraft — both manned and unmanned.
But how far away are hydrogen passenger planes that you could step aboard? Decades.
The idea is, of course, not new. One of the great early catastrophes of flight was due to hydrogen — the Hindenburg dirigible was effectively a giant balloon full of the highly flammable gas that caught fire and fell from the sky in 1937, killing 36. But the hydrogen wasn’t actually the Hindenburg’s fuel — it just provided buoyancy.
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