CVR Energy, Inc., through its subsidiaries, engages in petroleum refining and nitrogen fertilizer manufacturing activities in the United States. The company operates through two segments, Petroleum and Nitrogen Fertilizer. The Petroleum segment engages in refining and marketing transportation fuels, such as gasoline, diesel fuel, pet coke, propane, butane, slurry, sulfur, gas oil, asphalt, jet fuel, and other products. This segment owns and operates a coking medium-sour crude oil refinery in Coffeyville, Kansas and Wynnewood, Oklahoma; and a crude oil gathering system serving Kansas, Nebraska, Oklahoma, Missouri, and Texas. It also owns a proprietary pipeline system that transports crude oil from Caney, Kansas to its refinery; and supplies products through tanker trucks directly to customers located in Coffeyville, Kansas and Wynnewood, Oklahoma, as well as to customers at throughput terminals on Magellan Midstream Partners, L.P. and NuStar Energy, LP's refined products distribution systems. This segment serves refiners, retailers, railroads, and farm cooperatives. The Nitrogen Fertilizer segment operates a nitrogen fertilizer plant in North America that utilizes a pet coke gasification process to produce nitrogen fertilizer. It markets ammonia products to industrial and agricultural customers; and UAN, a solution of urea and ammonium nitrate used as a fertilizer to agricultural customers. This segment offers its products in Kansas, Missouri, Nebraska, Iowa, Illinois, Colorado, and Texas. The company is headquartered in Sugar Land, Texas. CVR Energy, Inc. is a subsidiary of Icahn Enterprises Holdings L.P.