Coal To Gas Switching... should kick in big time with the relatively cheap natural gas prices vis a vis coal
It is now about 30% cheaper to burn natural gas for electricity vs Illinois and North Appalachia coal
(unless you have a long term contract for coal) - absurd when you think of all the added costs
and risks of burning coal.
https://www.eia.gov/coal/markets/#tabs-prices-2 Big problems get around with also (unless you operate a natural gas truck or bus)
Look into US/Europe diesel shortage
https://finance.yahoo.com/news/americans-pay-most-25-years-193811112.html
I would not sell here - let those who sold your shares short figure out what the share price should be.