Icahn Enterprises L.P., through its subsidiaries engages in the investment, energy, automotive, food packaging, real estate, home fashion and pharma in the United States and internationally. The Investment segment invests its proprietary capital through various private investment funds; and it provides investment advisory, administrative, and back-office services to the investment funds. The Energy segment engages in refining and marketing petroleum in the form of gasoline, diesel, jet fuel, and distillates; renewable fuels business refines renewable feedstocks, such as soybean oil, corn oil, and other related renewable feedstocks into renewable diesel and markets renewable products; and nitrogen fertilizer business produces and markets nitrogen fertilizers in the form of urea ammonium nit…