US still has an abundance of coal. Together with the weak monarchic but oil rich Saudi Arabia, the oil rich, but coal poor Soviet Union collapsed.
Now there are two alternatives, China’s weaker, but socialist coal industry and the much much much stronger solar photovoltaic industry completely dominated by China again.
It’s both of these developments that are causing the situation to be normal instead of the weird events of 1989-1992 and 2008.
Russia is currently being attacked willy nilly and there’s talk to do the same with China.