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40% of US electricity is now emissions-free
(arstechnica.com)
This is a most excellent place for technology news and articles.
Some of those technologies are only awaiting mass production. Economies of scale are all that's needed, not any further breakthroughs in the lab.
The part of that carbon-free total that isn't nuclear or hydro has almost all been installed on the last decade. It got deployed fast and is only accelerating.