Food processor Darling Ingredients (DAR) and refined products producer Valero Energy (VLO) operate a renewable diesel joint venture under the name Diamond Green Diesel [DGD]. DGD currently operates a renewable diesel production facility with 276 million gallons of annual capacity in Norco, LA. This facility is one of the world's largest production facilities for biomass-based diesel [BBD], which is a category that includes both biodiesel and renewable diesel.
Renewable diesel is produced by reacting lipid feedstocks (e.g., waste animal fats, used cooking oil, etc.) with hydrogen via a hydroprocessing step that