June 1, 2020, DALLAS – HollyFrontier Corporation (HollyFrontier) today announced that its Board of Directors has approved a plan to convert the Cheyenne Refinery to renewable diesel production. The conversion will repurpose a portion of […]
By Staff 4-30,2015 Cheyenne’s skyline is set to change next month with the addition of new equipment at the HollyFrontier Cheyenne Refinery designed to dramatically improve air quality. This week the refinery will begin the […]
By Associated Press – 28 Oct ’14 The U.S. Environmental Protection Agency says Frontier Refining has agreed to pay $153,000 in penalties to address violations at its oil refinery in Cheyenne. The federal agency says […]
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