Speaking as someone who has recently driven through the powder river basin in WY, there is definitely coal that is staying in the ground. Mining co's are going

Speaking as someone who has recently driven through the powder river basin in WY, there is definitely coal that is staying in the ground. Mining co's are going bankrupt, and are cutting jobs and production; this is a severe enough reduction that the BNSF railway is also suffering in the area due to decreased tonnage exported.