I wonder if the the high-pressure, non-cryogenic hydrogen tanks used in some cars and buses would work. That technology seems to have solved the major issues, a

I wonder if the the high-pressure, non-cryogenic hydrogen tanks used in some cars and buses would work. That technology seems to have solved the major issues, although I suppose aircraft crashes could introduce some additional problems. Toyota has some detail about their system, which is similar to systems used by Honda and Hyundai, at: https://www.toyota-europe.com/news/2015/hydrogen-is-that-safe https://www.toyota-europe.com/news/2015/hydrogen-is-that-saf...