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Hydrogen-powered planes almost ready for takeoff
(arstechnica.com)
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this post was submitted on 10 Aug 2023
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It's true but the hope is to replace this with green hydrogen production through electrolysis of water. The idea behind this being, in a grid built on a large amount of renewable power there will be times (sunny windy days) with a huge amount of power overproduction. So you could run the electrolysis on all that surplus power and get hydrogen for it, instead of wasting it.
It's hard to say at this point if that idea is going to be successful.
So in theory, it could become self sustainable. But it’s still very difficult and a long ways off. Thanks for the insight.