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this post was submitted on 20 Jan 2024
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The trouble is, hydrogen is really bad at being energy-dense, requiring either cryogenics or dangerously-high pressures to fit enough in an automotive-gas-tank-sized space.
Frankly, if you want to insist using hydrogen, the best thing to do with it would be to react it with CO2 to make synthetic gasoline and use it in the internal-combustion engines and gas stations we already have.
I think you store it in salt.
Not in a car, you don't. You're thinking of proposals to store large amounts of it at rest in former salt mines, but that doesn't help you actually use it in a vehicle.