IIRC one of the early Tokomak projects was instrumental in development of the titanium bicycle frame industry - I think the folks at Merlin Metalworks (later bo

IIRC one of the early Tokomak projects was instrumental in development of the titanium bicycle frame industry - I think the folks at Merlin Metalworks (later bought by Litespeed) learned to weld the stuff working for a fusion project at MIT. I think that’s the sum total of the economic contribution of fusion research to date, and I don’t expect that to change in my lifetime.