In biofuels: refined petroleum distillate, which may contain small amounts of hydrocarbon or nonhydrocarbon additives to improve ignition quality or other characteristics, suitable for compression ignition engine and other suitable types of engines with quality specifications in compliance with the PNS [Section 3(i), Biofuels Act of 2006; Section 3.1(l), DOE Department Circular No. DC2007-05-0006, Rules and Regulations Implementing Republic Act No. 9367; Section 3(g), 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: The latter issuance has a typo in the definition: “of nonhydrocarbon”.