Energy

Wyoming is the nation's leading coal-producing state.

Wheeler says the administration's repeal will lead investors to put money into more coal plants.

The companies were set to hold a conference call to discuss details Wednesday morning.

The utility in April said it was considering retiring all units by 2022.

Fossil fuel emissions have been cited by scientists as a major source of global warming.

Mineral extraction employment grew 1.5 percent from last year. Related industries also increased.

Cloud Peak owns the Antelope and Cordero Rojo mines in Wyoming and the Spring Creek mine in Montana.

According to a state report, Wyoming coal mines added five full-time jobs in 2017 after shedding nearly 1,000 workers during the 2015 downturn.

Wyoming also sees wind flow generally different than that of the western plains, where many of Colorado's existing farms are built.

Texas gained three rigs, Louisiana and Pennsylvania each increased by two and Oklahoma added one.