40 CFR § 1065.740 - Lubricants.

---
identifier: "/us/cfr/t40/s1065.740"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 1065.740 - Lubricants."
title_number: 40
title_name: "Protection of Environment"
section_number: "1065.740"
section_name: "Lubricants."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "U"
subchapter_name: "AIR POLLUTION CONTROLS"
part_number: "1065"
part_name: "ENGINE-TESTING PROCEDURES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401-7671q."
regulatory_source: "70 FR 40516, July 13, 2005, unless otherwise noted."
cfr_part: "1065"
---


# 1065.740 Lubricants.

(a) Use commercially available lubricating oil that represents the oil that will be used in your engine in use.

(b) You may use lubrication additives, up to the levels that the additive manufacturer recommends.