---
kind: "section"
citation: "40 C.F.R. § 1045.25"
title: "40"
number: "1045.25"
heading: "How do the requirements related to evaporative emissions apply to engines and their fuel systems?"
url: "https://uscodex.org/cfr/40/1045.25"
---

# §1045.25. How do the requirements related to evaporative emissions apply to engines and their fuel systems?

- (a) Engine manufacturers must provide the installation instructions required by [§ 1045.130](/cfr/40/1045.130.md) to the ultimate purchasers of the engine. These instructions may be combined with the maintenance instructions required by [§ 1045.125](/cfr/40/1045.125.md).
- (b) Engines sold with attached fuel lines or installed fuel tanks must be covered by the appropriate certificates of conformity issued under [40 CFR part 1060](/cfr/40/part1060.md).
- (c) Fuel lines intended to be used with new engines and new portable marine fuel tanks must be certified to the applicable requirements of [40 CFR part 1060](/cfr/40/part1060.md). Similarly, fuel tanks intended to be used with new engines must be certified to the applicable requirements of [40 CFR part 1060](/cfr/40/part1060.md).
- (d) All persons installing engines certified under this part 1045 must follow the certifying manufacturer's emission-related installation instructions (see [§ 1045.130](/cfr/40/1045.130.md) and [40 CFR 1068.105](/cfr/40/1068.105.md)).

## Notes

### Authority

Authority: 42 U.S.C. 7401-7671q.

### Source

Source: 73 FR 59194, Oct. 8, 2008, unless otherwise noted.