What is actually the simplest answer why hydrogen is not feasible yet for a replacement of our usual ways to heat buildings or drive cars. I heard that Hydrogen makes sense for larger vehicles that have to drive for a lot of miles but smaller ones are not really in development outside of toyota’s experiments. Is there already a way to when it could get feasible?
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It’s energy-intensive to produce, and very difficult to store and ship safely.
Hydrogen is literally the smallest molecule possible. As a gas it leaks readily through the kind of containers and seals that can contain other gases, and it takes either enormous pressure or extremely low temperatures to keep it in a liquid state.
Hydrogen gas is also extremely combustible (when it mixes with air at least). The Hindenburg was a hydrogen fire.
So there are some significant engineering challenges to be overcome before large-scale distribution becomes feasible.
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