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HollyFrontier to convert Cheyenne oil refinery to produce renewable diesel

HollyFrontier Corporation announced that its Board of Directors has approved a plan to convert the Cheyenne Refinery to renewable diesel production and to construct a pre-treatment unit (PTU) located at the Artesia Refinery. Including the previously announced renewable diesel unit at the Artesia Refinery, HollyFrontier is expected to have a combined capacity to produce more […]

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