Regulations last checked for updates: Feb 10, 2026

Title 40 - Protection of Environment last revised: Dec 22, 2026
§ 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.

source: 70 FR 40516, July 13, 2005, unless otherwise noted.
cite as: 40 CFR 1065.740