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4 comments

That is the hold-up at this point. All the various technologies exist, but none are profitably efficiant yet.
At 6:00 of the video they touch on that and a new method that may achieve profitability.

[–] Chaoticneutral 1 points (+1|-0)

I watched it. The problem is the fundamental limit for hydrogen compression. A lot of work has been done in all the areas surrounding it but nobody has solved the keystone.