content: They can't! That's the thing about Hydrogen. Anyone with water and electricity can make it. Here's a great interview with a couple H2 advocates: http://news.wgbh.org/2017/04/21/future-now-hydrogen-fuel-cell-electric-cars-massachusetts The Hydrogen Cat is out of the bag. Starting Monday- the biggest hydrogen/fuel cell/battery show in the world - live streaming all day every day http://www.h2fc-fair.com/