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Emissions Inventory

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Development of Texas Nonroad Model Mobile Source Air Emissions Reporting Requirements, Reasonable Further Progress, and Redesignation and Maintenance Emissions Inventories

This report, provided by Eastern Research Group, Inc. (ERG), documents the development of 2020 annual and ozone season daily emissions inventories for Texas nonroad mobile sources using the TexN2 utility and the Motor Vehicle Emissions Simulator (MOVES) version 3. The report also documents the development of area-specific nonroad emissions inventories necessary to support reasonable further progress (RFP) and redesignation and maintenance (RDM) analyses.

Texas Commercial Marine Vessel Emission Inventory

This report, provided by Ramboll US Consulting, Inc., documents the development of 2020 annual and ozone season daily and 2011 through 2050 trend emissions inventories for commercial marine vessels (CMV). The emissions developed for analysis year 2020 include annual and summer weekday emissions for criteria air pollutants (CAPs), CAP precursors, and hazardous air pollutants (HAPs). This inventory will be submitted to the United States Environmental Protection Agency (EPA) for the 2020 Air Emissions Reporting Requirements (AERR).

TexN2.2 Utility Updates for Compatibility with the US EPA MOVES3 Model

In this project, Eastern Research Group, Inc. (ERG) updated the Texas NONROAD version 2 (TexN2) utility to be compatible with version 3 of the United States Environmental Protection Agency (EPA) Motor Vehicle Emission Simulator (MOVES). Enhancements were added to the utility to streamline the way TexN2 handles alternative equipment scrappage curves and generates county databases for submittal for the Air Emissions Reporting Requirements (AERR) and National Emissions Inventory (NEI).