In downstream oil & gas: the business of importing, exporting, re-exporting, shipping, transporting, processing, refining, storing, distributing, marketing and/or selling crude oil, gasoline, diesel, liquefied petroleum gas (LPG), kerosene, and other petroleum products [Section 4(h), Downstream Oil Industry Deregulation Act of 1998; Section 3(t), Downstream Oil Industry Deregulation Act of 1998 IRR]
In biofuels: Downstream Oil Industry which is engaged in the business of importing and refining crude oil as well as exporting, storing, hauling, marketing, refilling and retailing of finished petroleum products [Section 3(i), Rule II, DOE Department Circular No. DC2021-06-0014, Revised Circular on Accreditation and Submission of Notices and Reports by Refiners, Importers and Own Users of Gasoline and Diesel Pursuant to the Biofuels Act]
Note: In DOE Department Circular No. DC2021-06-0014, the term is written as “DOI” only.