A haul truck at Peabody Energy's Rawhide coal mine near Gillette, Wyoming. The past few years have been tough for the coal industry in Wyoming — the company filed for Chapter 11 bankruptcy in 2016.

A haul truck works at Peabody Energy's Rawhide coal mine near Gillette, Wyoming. The past few years have been tough for the coal industry in Wyoming — the company filed for Chapter 11 bankruptcy in 2016.

Credit:

Kristina Barker/Reuters

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