[Stosh]

Coal replaced by nukes I can see. Coal replaced by gas - not so much. One can use natural gas for transportation; you can’t use coal to fuel individual vehicles (unless you convert it to electricity through the power plants they’re shutting down).

[Eric in the Ozarks]

Stationary power plants should use the lowest rank fuel available.

[Wonder Warthog]

"Coal replaced by gas - not so much."

Not so much, but not BY much. Replacement of coal by natgas results in a significant reduction in CO2, as the mole percentage of hydrogen is much higher than in coal.

[thackney]

Dollars per kilowatt put on the grid, without taxpayer subsidies, is all that matters.