Only ~15% of power in the US comes from coal currently, and it continues to decline as each of the last remaining coal generators are retired. Politics props it up, but it will eventually be gone. Five years maybe, ten years tops. Focus on forward looking tipping points for step change death spiral progress (when minimum coal mining, transportation, and generation minimum limits are breached).

https://www.sierraclub.org/coal/coal-plant-map

https://www.carbonbrief.org/analysis-trump-has-overseen-more...

https://www.eia.gov/todayinenergy/detail.php?id=64924

https://www.eia.gov/todayinenergy/detail.php?id=67405