---
kind: "section"
citation: "40 C.F.R. § 1090.270"
title: "40"
number: "1090.270"
heading: "Gasoline oxygenate standards."
url: "https://uscodex.org/cfr/40/1090.270"
---

# §1090.270. Gasoline oxygenate standards.

- (a) All oxygenates designated for blending with gasoline or blended with gasoline must meet the following per-gallon standards:
  - (1) **Sulfur content.** Maximum 10 ppm.
  - (2) **Chemical composition.** Be composed solely of carbon, hydrogen, oxygen, nitrogen, and sulfur.
- (b) DFE designated for blending into gasoline or blended with gasoline must meet the following additional requirements:
  - (1) **Denaturant type.** Only PCG, gasoline blendstocks, NGLs, or certified ethanol denaturant that meets the requirements in [§ 1090.275](/cfr/40/1090.275.md) may be used as denaturants.
  - (2) **Denaturant concentration.** The concentration of all denaturants used in DFE must not exceed 3.0 volume percent.

## Notes

### 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.