Regulations last checked for updates: Apr 28, 2024

Title 40 - Protection of Environment last revised: Jun 26, 2024
§ 87.48 - Derivative engines for emissions certification purposes.

Provisions related to derivative engines for emissions certification purposes apply as described in 40 CFR 1031.130.

authority: 42 U.S.C. 7401
source: 87 FR 72350, Nov. 23, 2022, unless otherwise noted.
cite as: 40 CFR 87.48