Your argument doesn't make sense. This is a question of carrying a dense energy source with you at high speed. A pressurized tank of hydrogen has just as big po

Your argument doesn't make sense. This is a question of carrying a dense energy source with you at high speed. A pressurized tank of hydrogen has just as big potential for causing massive damange as a fuel tank or a battery. Probably more, since hydrogen will violently explode if ignited in the atmospohere.