(a) For the purposes of this subpart, the following fuels are subject to the standards and requirements of this subpart:

(1) Reformulated and conventional gasoline and RBOB, and CBOB (collectively called “gasoline” unless otherwise specified).

(2) Any blendstock blended with PCG, as defined in §80.2(d).

(3) Oxygenates blended with gasoline, RBOB, or CBOB.

(b) For the purposes of this subpart, the following fuels are not subject to the standards and requirements of this subpart:

(1) Gasoline that is used to fuel aircraft, racing vehicles or racing boats that are used only in sanctioned racing events, provided that—

(i) Product transfer documents associated with such gasoline, and any pump stand from which such gasoline is dispensed, identify the gasoline either as gasoline that is restricted for use in aircraft, or as gasoline that is restricted for use in racing motor vehicles or racing boats that are used only in sanctioned racing events;

(ii) The gasoline is completely segregated from all other gasoline throughout production, distribution and sale to the ultimate consumer; and

(iii) The gasoline is not made available for use as motor vehicle gasoline, or dispensed for use in motor vehicles, except for motor vehicles used only in sanctioned racing events.

(2) California gasoline as defined in §80.1600 subject to the provisions of §80.1654.

(3) Gasoline that is exported for sale and use outside the United States.

(4) Exempt fuels under §§80.1655 (national security exemptions), 80.1656 (gasoline used for research, development, or testing purposes), and 80.1658 (gasoline used in American Samoa, Guam, and the Northern Mariana Islands).