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 (U.S.), Canada, the United Kingdom (U.K.), Ireland, and Latin America. It operates through three segments, which include 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 its refining operations. The Renewable Diesel segment represents the operations of Diamond Green Diesel (DGD), and the associated activities to market low-carbon fuels, renewable diesel, renewable naphtha, and neat sustainable aviation fuel (SAF). The Ethanol segment includes the operations of its ethanol plants and the associated activities to market its ethanol and co-products.