Regulation & law · 15/11/2022Updated: 10/17/2026 · 1 min read

EPA Approves Latest California EMFAC Motor Vehicle Emission Model

Summary

The Environmental Protection Agency (EPA) has approved the EMFAC2021 model for use in California's state implementation plan (SIP) development and transportation conformity, replacing the previous EMFAC2017 model.

Original source language: Federal Register — All DocumentsOpen original release →

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