Diamond Green Diesel, LLC Email Format

Oil & EnergyLouisiana, United States11-50 Employees

Diamond Green Diesel, LLC operates as a renewable diesel producer within the oil and gas sector. The company was formed as a joint venture involving Diamond Alternative Energy LLC, a Valero Energy Corporation subsidiary, and Darling Ingredients Inc., to build and operate a large-scale facility near the Valero St. Charles Refinery in Norco, Louisiana, capable of processing animal fats, used cooking oil, and inedible corn oil into renewable diesel. Based in San Antonio, Texas, the entity is part of a market segment focused on converting waste and feedstock into transportation fuels, aligning with palm-oil-free, lower-emission diesel production in the United States. The organization has publicly referenced a significant expansion initiative and ongoing operations in renewable diesel, with recent reporting highlighting improved operating performance in early 2026. A recent development noted in industry reporting is the joint venture’s operational earnings trajectory for the first quarter of 2026, indicating a shift from a prior loss to positive results. Diamond Green Diesel serves customers seeking alternatives to conventional diesel, addressing demand for renewable fuel supply and adherence to evolving environmental and regulatory expectations within the energy sector.

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