Valero Energy Corporation, through its subsidiaries, is a multinational manufacturer and marketer of petroleum-based and low-carbon liquid transportation fuels, and petrochemical products. The Company sells its products primarily in the United States, Canada, the United Kingdom, Ireland and Latin America. The Company operates through three segments: Refining, Renewable Diesel, and Ethanol. The Refining segment includes the operations of its petroleum refineries, the associated activities to market its refined petroleum products, and the logistics assets that support those operations. The Renewable Diesel segment includes the operations of Diamond Green Diesel (DGD) and the associated activities to market renewable diesel and renewable naphtha. The Ethanol segment includes the operations of its ethanol plants and the associated activities to market its ethanol and co-products. The Company owns over 15 petroleum refineries located in the United States, Canada and the United Kingdom.