# Automobile fuel economy — Federal civil penalty maximums — current inflation-adjusted amounts across agencies

For Automobile fuel economy, agency is National Highway Traffic Safety Administration; statutory authority is 49 U.S.C. 32912(c); maximum penalty is $33 for each .1 of a mile a gallon, recorded from its source on 2026-08-10.

- **Agency:** National Highway Traffic Safety Administration _(our reading, not quoted from the source)_
- **Violation:** Automobile fuel economy
- **Statutory authority:** 49 U.S.C. 32912(c) _(verified: appears in the quote below)_
- **Maximum penalty:** $33 for each .1 of a mile a gallon _(verified: appears in the quote below)_

## What the source says

> ( 3 ) If a higher amount for each .1 of a mile a gallon to be used in calculating a civil penalty under <https://www.ecfr.gov/current/title-49/section-578.6#p-578.6(h)(2)> paragraph (h)(2) of this section is prescribed pursuant to the process provided in <https://www.govinfo.gov/link/uscode/49/32912> 49 U.S.C. 32912(c) , the amount prescribed may not be more than $33 for each .1 of a mile a gallon.

## Source

- https://www.ecfr.gov/current/title-49/subtitle-B/chapter-V/part-578/section-578.6

Last verified: 2026-08-10. Review by: 2027-02-26.
Part of [Federal civil penalty maximums — current inflation-adjusted amounts across agencies](https://referencesource.org/federal-civil-penalty-maximums/).