---
kind: "section"
citation: "40 C.F.R. § 87.48"
title: "40"
number: "87.48"
heading: "Derivative engines for emissions certification purposes."
url: "https://uscodex.org/cfr/40/87.48"
---

# §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](/cfr/40/1031.130.md).


## Notes

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Source

Source: 87 FR 72350, Nov. 23, 2022, unless otherwise noted.