You get less power from burning hydrogen than the power required to generate hydrogen from water using electrolysis. The loss in energy is inefficiency in the process and entropy. If it was economical then someone would be doing it by now.
“You get less power from burning hydrogen than the power required to generate hydrogen from water using electrolysis.”
the Democrats really need to repeal those pesky Laws of Thermodynamics ... [the German Nazis actually tried that by outlawing “Jewish Physics”, which worked until their Jap allies were blown to kingdom come with atomic bombs based on “Jewish Physics”]