Currently reformers are the best bet for making Hydrogen Gas. That process that was brought to a new level by Nuvera uses natural gas to reform into Hydrogen. Hydrogen Gas canisters are also available. As for the tanks. they have been put through some very tough test by Quantum Technologies with tanks up to 10,000lbs. The tanks are tested for gun fire, crushing, chemicals, ample cycling, bonfire testing and Severe about testing. You should be able to visit their website at qtww.com. Their should be over 1,000 fuel cell units sold this year and there have been no issues since they began using them in DC's.