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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There’s no good large scale production method that’s environmentally friendly and it’s also hard to store and transport. Also it’s highly flammable and volatile.
Right now the main method of producing hydrogen gas is as a byproduct from natural gas, and other fossil fuel, refining. There are some other methods to produce it but none are implemented large scale due to immense power requirements, which without a reliable and powerful supply of clean energy makes the whole point of using hydrogen as an alternative energy source pointless. Once you do have hydrogen however there’s the issue that it’s very hard to contain and inevitably leaks to a much greater degree than other gases or evaporated liquid fuels do, and it’s also much more flammable, which is a dangerous combination.
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