EMFAC2021 Model and Documentation | California Air Resources Board

EMFAC2021 Model and Documentation

< BACK TO ON-ROAD (EMFAC)

EMFAC2021 Interim Off-Model Adjustment Factors for the Heavy-Duty Inspection and Maintenance Program

EPA Approval Letter (5/26/23)
Appendix A: EMFAC2021 Interim Adjustment Factors (5/26/23)

EMFAC2021 (U.S. EPA Approved)

EMFAC2021 approval notice in the Federal Register - 11/15/2022
EMFAC2021 (v1.0.2) Public Release Notice - 5/2/22
EMFAC2021 (v1.0.1) to (v1.0.2) Updates - 5/2/22
EMFAC2021 Software Installation Package (v1.0.2) - 5/2/22
EMFAC2021 (v1.0.1) Public Release Notice - 4/30/21
EMFAC2021 Software Installation Package (v1.0.1) - 4/28/21
EMFAC2021 (v1.0.0) to (v1.0.1) Updates - 4/28/21
EMFAC2021 PL Handbook - 3/26/21
EMFAC2021 Technical Document - 4/28/21
PHEV Start Analysis Draft Memo - 3/26/21
EMFAC2021 (v1.0.0) Public Release Notice - 1/15/21
EMFAC2021 User’s Guide