49 CFR § 536.1 - Scope.

---
identifier: "/us/cfr/t49/s536.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 536.1 - Scope."
title_number: 49
title_name: "Transportation"
section_number: "536.1"
section_name: "Scope."
chapter_name: "NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
part_number: "536"
part_name: "TRANSFER AND TRADING OF FUEL ECONOMY CREDITS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 32903; delegation of authority at 49 CFR 1.95."
regulatory_source: "87 FR 26082, May 2, 2022, unless otherwise noted."
cfr_part: "536"
---


# 536.1 Scope.

This part establishes regulations governing the use and application of corporate average fuel economy (CAFE) credits up to three model years before and five model years after the model year in which the credit was earned. It also specifies requirements for manufacturers wishing to transfer fuel economy credits between their fleets and for manufacturers and other persons wishing to trade fuel economy credits to achieve compliance with prescribed fuel economy standards.