Earlier quoted context omitted.
http://news.hydroquebec.com/en/press-releases/1667/hydro-que... This is just a start, Hydro Quebec will expand production if demand comes.
The entire world is gearing up to produce green Hydrogen in staggering quantities. It won't be used for wheeled vehicles though. https://www.alliedmarketresearch.com/green-hydrogen-market
Just a single government providing grants for h2 refueling infra can dramatically change things.