/technologies/power-management/b/alt-energy-blog/posts/safe-way-to-store-and-quickly-use-hydrogen-as-a-fuelUSC liberation method (via USC) A problem with hydrogen for use as a fuel comes when the vehicle is in a crash. The hydrogen leaks out, and any sparks or fire will ignite the gas. Another problem is a hydrogen fire is invisible. (I toured a manu...en-USTelligent Community 12