[hotpotamus]

I don't know that hydrogen was a "scam" per se - I think of fuel cells as essentially an alternative battery technology. It wasn't clear 20-30 years ago that lithium batteries would progress as much as they did, and so fuel cells were perhaps a reasonable hedge.

[AtlasBarfed]

Again valid industrial used aside, it was always a Trojan horse fake green tech pushed by oil and gas.

Green hydrogen was simply going to be a "in ten years" moving goalpost while everyone used methane if they actually got hydrogen off the ground.