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Corporate Average Fuel Economy Standards for Passenger Cars and Light Trucks for Model Years 2027 and Beyond and Fuel Efficiency Standards for Heavy-Duty Pickup Trucks and Vans for Model Years 2030 and Beyond

The National Highway Traffic Safety Administration published this final rule in the Federal Register on June 24, 2024. It took effect on August 23, 2024.

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What the agency says

NHTSA, on behalf of the Department of Transportation (DOT), is finalizing Corporate Average Fuel Economy (CAFE) standards for passenger cars and light trucks that increase at a rate of 2 percent per year for passenger cars in model years (MYs) 2027-31, 0 percent per year for light trucks in model years 2027-28, and 2 percent per year for light trucks in model years 2029-31. NHTSA is also finalizing fuel efficiency standards for heavy-duty pickup trucks and vans (HDPUVs) for model years 2030-32 that increase at a rate of 10 percent per year and model years 2033-35 that increase at a rate of 8 percent per year.

Key facts

Document number
2024-12864
Type
Final rule
Action
Final rule
Agency
Transportation Department; National Highway Traffic Safety Administration
Published
June 24, 2024
Takes effect
August 23, 2024
Dates
This rule is effective August 23, 2024.
Docket
NHTSA-2023-0022
Regulation ID (RIN)
2127-AM55
Code of Federal Regulations
49 CFR 523; 49 CFR 531; 49 CFR 533; 49 CFR 535; 49 CFR 536; 49 CFR 537
Topics
Fuel economy; Reporting and recordkeeping requirements
Pages
415

The document on federalregister.gov PDF

Other documents from the National Highway Traffic Safety Administration

Everything from the National Highway Traffic Safety Administration · Rules on fuel economy · Rules on reporting and recordkeeping requirements · Published in June 2024

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.