49 C.F.R. § 531.4
Definitions.
Cite as 49 C.F.R. § 531.4 (2026)
(a)
Statutory terms.
(1) The terms
average fuel economy, manufacture, manufacturer,
and
model year
are used as defined in 49 U.S.C. 32901.
(2) The terms
automobile
and
passenger automobile
are used as defined in 49 U.S.C. 32901 and in accordance with the determination in part 523 of this chapter.
(b)
Other terms.
As used in this part, unless otherwise required by the context—
(1) The term
domestically manufactured passenger automobile
means the vehicle is deemed to be manufactured domestically under 49 U.S.C. 32904(b)(3) and 40 CFR 600.511-08.
(2) [Reserved]
[89 FR 52945, June 24, 2024]
- Cross-references to the US Code
- 49:3290149:32901.49:32904
- Cross-references to the CFR
- 40:600.511-08.