40 CFR § 80.1604
Gasoline sulfur standards and requirements for parties downstream of refiners and importers
June 9, 2020
(a) The sulfur standard for gasoline at any downstream location shall be determined in accordance with the provisions of this section. A downstream location is any point in the gasoline distribution system downstream from refineries and import facilities, including, but not limited to, facilities of any of the following parties:
(1) Distributors.
(2) Carriers.
(3) Oxygenate blenders.
(4) Retailers.
(5) Wholesale purchaser-consumers.
(b) Except as otherwise provided in this subpart O, the sulfur content of gasoline at any downstream location shall not exceed 95 ppm, on a per-gallon basis, beginning January 1, 2017.