CVR Energy, Inc., together with its subsidiaries, engages in the petroleum refining and marketing, and nitrogen fertilizer manufacturing activities in the United States. It operates in two segments, Petroleum and Nitrogen Fertilizer. The Petroleum segment refines and supplies gasoline, crude oil, distillate, diesel fuel, and other refined products. This segment also owns and operates a coking medium-sour crude oil refinery in southeast Kansas; and a crude oil refinery in Wynnewood, Oklahoma, as well as supporting logistics assets. This segment primarily serves retailers, railroads, farm cooperatives, and other refiners/marketers. The Nitrogen Fertilizer segment owns and operates a nitrogen fertilizer plant in North America that utilizes a pet coke gasification process to produce nitrogen fertilizer products; and a nitrogen fertilizer facility in East Dubuque, Illinois that produces nitrogen fertilizers in the form of ammonia and urea ammonium nitrate (UAN), nitric acid, and liquid and granulated urea. This segment primarily markets UAN products to agricultural customers; and ammonia products to agricultural and industrial customers. The company was founded in 1906 and is based in Sugar Land, Texas. CVR Energy, Inc. is a subsidiary of Icahn Enterprises L.P.