---
kind: "section"
citation: "40 C.F.R. § 1090.230"
title: "40"
number: "1090.230"
heading: "Limitation on use of gasoline-ethanol blends."
url: "https://uscodex.org/cfr/40/1090.230"
---

# §1090.230. Limitation on use of gasoline-ethanol blends.

- (a) No person may sell, introduce, cause, or permit the sale or introduction of gasoline containing greater than 10 volume percent ethanol (e.g., E15) into any model year 2000 or older light-duty gasoline motor vehicle, any heavy-duty gasoline motor vehicle or engine, any highway or off-highway motorcycle, or any gasoline-powered nonroad engine, vehicle, or equipment.
- (b) [Paragraph (a)](#a) of this section does not prohibit a person from producing, selling, introducing, causing, or allowing the sale or introduction of gasoline containing greater than 10 volume percent ethanol into any flex-fuel vehicle or flex-fuel engine.

## Notes

### Amendments

[85 FR 78469, Dec. 4, 2020, as amended at 90 FR 4346, Jan. 15, 2025]

### Authority

Authority: 42 U.S.C. 7414, 7521, 7522-7525, 7541, 7542, 7543, 7545, 7547, 7550, and 7601.

### Source

Source: 85 FR 78469, Dec. 4, 2020, unless otherwise noted.

### Amendments

[85 FR 78469, Dec. 4, 2020, as amended at 90 FR 4346, Jan. 15, 2025]