The company couldn’t detail how much output had been impacted, but said the so-called potlines, which process molten aluminum and need to be kept running 24 hours a day, had switched to manual mode.
The production and distribution of TV shows and movies employ more people in 34 states than the combined total from the mining, oil and natural gas industries.
Eleven years ago, Cloud Peak Energy Inc. made an all-or-nothing bet its rivals were unwilling to match: that coal would remain indispensable to the U.S. power sector.
