You don’t have to have 10,000psi tanks. A regular 3,000psi industrial gas cylinder would do the job and it would store energy equivalent of around 8gallons of g

You don’t have to have 10,000psi tanks. A regular 3,000psi industrial gas cylinder would do the job and it would store energy equivalent of around 8gallons of gasoline. The gas cylinder would weigh ~ 100 pounds. So totally feasible. Now, do we have cheap appliances that consume hydrogen and produce work/heat ? Not yet.