The question to me is - has decarbonization a momentum of its own that will not be derailed by the US deregulation of greenhouse gases? Yes, it will mean that China owns all those technologies to the extent India and the EU do not step up to the plate, and is sad for the US's future. But humanity and the globe overall are more important.
E.g., for both China and India energy independence alone gives an incentive to renewable energy, especially if the US gets the Western Hemisphere and Western Asia under its thumb, and if Russia indeed changes course and goes with the US, as is rumored it might do ( viewtopic.php?p=2672106#p2672106 ). It would mean American control of world petroleum, and thus a threat to each of the nations.