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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hydrogen is explosive in almsot any concentration with air, hydrogen is very hard to store because it leaks out of most things, hydrogen takes up a huge amount of space because you either; need to make it liquid which only happens if you cool it to -253°C, or store it as gas at extreme pressures, which need massively strong tanks
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