in Wind and Solar, despite the constant attempts to shut them down with EPA (or the EU equivalents) regulations in the name of Clean Air
Coal burning power lants are still is the largest source for electrical generation world wide.
The reason is that it works, It works no matter whether the wind is blowing or not, or if it is cloudy, or if it is rainy or snowy. It works in ice, in winter, and it works when it is needed.
Unlike wind and solar,
