
Dakota Prairie Refinery Starting Up
Dakota Prairie Refinery Commences Startup Operations MDU Resources Group, Inc. (MDU) and Calumet Specialty Products Partners, L.P. (CLMT) today announced that the Dickinson, North Dakota-based Dakota Prairie refinery, the first greenfield fuels refinery built in the U.S. in nearly 40 years, has commenced operations. The facility has begun producing diesel fuel and is expected to begin sales of diesel as





