CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER U—AIR POLLUTION CONTROLS (Parts 1027–1074) > PART 1065—ENGINE-TESTING PROCEDURES > SUBPART H—Engine Fluids, Test Fuels, Analytical Gases and Other Calibration Standards (§1065.701 to §1065.790) > 1065.740—Lubricants.

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.