The Pine Bend Refinery is the largest oil refinery in Minnesota, located in the Twin Cities suburbs of Rosemount and Inver Grove Heights next to southern split of U.S. Highway 52 and Minnesota State Highway 55. The refinery is notable for being the largest in the United States to be located in a state without any oil wells. Overall, it ranked 14th in the country as of 2012 by production, with a nameplate capacity of 320,000 barrels (51,000 m³) per day.