---
kind: "section"
citation: "40 C.F.R. § 79.33"
title: "40"
number: "79.33"
heading: "Motor vehicle diesel fuel."
url: "https://uscodex.org/cfr/40/79.33"
---

# §79.33. Motor vehicle diesel fuel.

- (a) The following fuels commonly or commercially known or sold as motor vehicle diesel fuel are hereby individually designated:
  - (1) Motor vehicle diesel fuel, grade 1-D;
  - (2) **Motor vehicle diesel fuel, grade 2-D.**
- (b) All designated motor vehicle diesel fuels must be registered within 12 months after promulgation of this part.
- (c) Fuel manufacturers must submit the reports specified in [40 CFR part 1090](/cfr/40/part1090.md), subpart J.
- (d) In accordance with §§ [79.5(a)(2)](/cfr/40/79.5.md?p=a-2) and [79.11(f)](/cfr/40/79.11.md?p=f), and to the extent such information is known to the fuel manufacturer, he shall furnish summaries of any information developed by or specifically for him concerning the following items:
  - (1) Mechanisms of action of each additive he reports;
  - (2) Reactions between such additives and motor vehicle diesel fuel;
  - (3) Identification and measurement of the emission products of such additives when used in motor vehicle diesel fuel;
  - (4) Effects of such additives on all emissions;
  - (5) **Toxicity and any other public health or welfare effects of the emission products of such additives.**

## Notes

### Amendments

[40 FR 52011, Nov. 7, 1975, as amended at 85 FR 78465, Dec. 4, 2020]

### Authority

Authority: 42 U.S.C. 7414, 7524, 7545 and 7601.

### Source

Source: 40 FR 52011, Nov. 7, 1975, unless otherwise noted.

### Amendments

[40 FR 52011, Nov. 7, 1975, as amended at 85 FR 78465, Dec. 4, 2020]