Data / Federal rules / 2024-06101
Petroleum-Equivalent Fuel Economy Calculation
The Energy Department published this final rule in the Federal Register on March 29, 2024. It took effect on June 12, 2024.
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What the agency says
The U.S. Department of Energy (DOE) publishes a final rule that revises the value for the petroleum-equivalency factor (PEF). This final rule revises DOE's regulations regarding procedures for calculating a value for the petroleum-equivalent fuel economy of electric vehicles (EVs). The PEF is used by the Environmental Protection Agency (EPA) in calculating light-duty vehicle manufacturers' compliance with the Department of Transportation's (DOT) Corporate Average Fuel Economy (CAFE) standards.
Key facts
- Document number
- 2024-06101
- Type
- Final rule
- Action
- Final rule
- Agency
- Energy Department
- Published
- March 29, 2024
- Takes effect
- June 12, 2024
- Dates
- This rule is effective June 12, 2024.
- Docket
- EERE-2021-VT-0033
- Regulation ID (RIN)
- 1904-AF47
- Code of Federal Regulations
- 10 CFR 474
- Topics
- Electric power; Energy conservation; Motor vehicles; Research
- Significant
- Yes, under Executive Order 12866
- Pages
- 20
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Everything from the Energy Department · Rules on electric power · Rules on energy conservation · Rules on motor vehicles · Published in March 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.