{"data":{"id":"us/40-cfr-1090.310","jurisdiction":"us","citation":"40 CFR 1090.310","heading":"Diesel fuel additives standards.","body":"(a) Except as specified in paragraph (b) and (c) of this section, diesel fuel additives blended into diesel fuel that is subject to the standards in § 1090.305 must have a sulfur concentration less than or equal to 15 ppm on a per-gallon basis.\n(b) Diesel fuel additives do not have to comply with paragraph (a) of this section if all the following conditions are met:\n(1) The additive is added to diesel fuel in a quantity less than 1.0 volume percent of the resultant mixture of additive and diesel fuel.\n(2) The PTD for the diesel fuel additive complies with the requirements in § 1090.1120(b).\n(3) The additive is not commercially available as a retail product for ultimate consumers.\n(c) The provisions of this section do not apply to additives used in 500 ppm LM diesel fuel or ECA marine fuel.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER U—AIR POLLUTION CONTROLS","PART 1090—REGULATION OF FUELS, FUEL ADDITIVES, AND REGULATED BLENDSTOCKS","Subpart D—Diesel Fuel and ECA Marine Fuel Standards"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"cb3178c95c4bf4679764ba41460c0317fff65823d8825cd84cbc4ac995faf514","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-1090.305","next":"us/40-cfr-1090.315"},"notice":"GroundRules: Original legal text. Not legal advice."}