Onroad/Nonroad

2022 Emissions Modeling Platform Wiki Main Page

Projections page

Onroad/Nonroad Task Force/National Group

Co-leads: Farren Thorpe and Janice Godfrey

Resources

• 2016 EMP specification sheets https://views.cira.colostate.edu/wiki/wiki/10202
• 2016v3 platform: https://www.epa.gov/air-emissions-modeling/2016v3-platform
• 2020 platform: https://www.epa.gov/air-emissions-modeling/2020-emissions-modeling-platform

Meetings

Kickoff Meeting 11/30/2023

Agenda (meeting notes added)

• Introductions
• Discuss the base year 2022
• VMT was requested voluntarily from the states
• Typically we get county level VMT from FHWA. FHWA could not provide VMT for 2021.
• We have a pending request with FHWA to get anything possible for 2022
• States that provided data thus far: GA, Jefferson County KY, NY, ME, AK, VA, WV, MD, WA, CO, MI, NY, KS, TX
• States that have not provided emissions projected forward from 2020
• 2021 state adjustments were based on state total VMT
• VPOP
• 2021 was held constant from 2020. For 2022, we may want to make some adjustments.
• FHWA state statistics
• Other activity discussions
• ONI from OTAQ
• Hoteling based on VMT
• Starts from contractor- GA provides their own
• EPA has looked at FHWA TMAS Class Data for 2021. VMT fraction by hour, by state, by vehicle class.
• Have not started on 2022
• Representative counties, same as what was used in 2020 NEI
• Taskforce can review and make suggestions
• SMOKE/MOVES w/MOVES4
• Nonroad
• Load factors too high?

Next meeting 1/11/2024 at 3:30 EST.

Future meetings standing on second Thursday of month at 3:30 EST.