Rule
Petroleum-Equivalent Fuel Economy Calculation
Federal Register summary (shortened to 600 characters)
The Office of Critical Minerals and Energy Innovation (formerly the Office of Energy Efficiency and Renewable Energy) of the Department of Energy (DOE) has reviewed the petroleum-equivalency factor (PEF) for electric vehicles (EVs) 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. DOE has determined that revisions to the PEF are necessary. DOE is first publishing a final rule that removes the fuel content factor (FCF) from the calculation…
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- Document number
- 2026-03300
- Published
- Thu, Feb 19, 2026
- Comments close
- Mon, Mar 23, 2026Closed
- Effective
- Thu, Feb 19, 2026
- First on the line
- Oct 10, 2026, 10:00 PM