EMFAC - California Air Resources Board 2021 April 2021: EMFAC2021 v1 0 1 is released And EMFAC2021 Technical Documentation is available online January 2021: EMFAC2021 v1 0 0 is released EMFAC2021 is now provided on this website, too 2020 November 2020: Fleet Database is updated with data generated from the 2019 vehicle registration database
On-Road (EMFAC) | California Air Resources Board The EMFAC emissions model is developed and used by CARB to assess emissions from on-road vehicles including cars, trucks, and buses in California, and to support CARB's regulatory and air quality planning efforts
EMFAC2021 Volume I User s Guide - California Air Resources Board The EMFAC2021 model can be used to show how California motor vehicle emissions have changed over time and are projected to change in the future This information helps CARB evaluate prospective control programs and determine the most effective, science-based proposals for protecting the environment
EMFAC2021 Volume III Technical Document Version 1. 0. 1 April, 2021 Used to inform and support and upcoming planning and policy development, EMFAC2021 is the latest emission inventory model that CARB developed to assess emissions from on-road motor vehicles including cars, trucks, and buses in California
EMFAC2021 Volume II-Handbook for Project-Level Analysis CARB has developed this handbook as a guide to use EMFAC2021 in conducting project- level analyses such as a PM-hot spot analysis required in transportation conformity determinations
EMFAC - California Air Resources Board Onroad Emissions Onroad Emission Rates Model Version EMFAC2025 v2 0 0 EMFAC2021 v1 0 2 EMFAC2017 v1 0 2 Region Type Sub-Area County
Conferences and Workshops - California Air Resources Board < BACK TO CONFERENCES AND WORKSHOPS This page lists the public workshops and webinars hosted by the Mobile Source Analysis Branch (MSAB) in support of the ON-ROAD emissions inventory development (EMFAC)