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Modeling and Inventories

MOVES (Motor Vehicle Emission Simulator)

EPA's Office of Transportation and Air Quality (OTAQ) has developed the MOtor Vehicle Emission Simulator (MOVES). This emission modeling system estimates emissions for mobile sources covering a broad range of pollutants and allows multiple scale analysis.

MOVES2014. MOVES2014 is the latest version of MOVES and includes the benefits of the Tier 3 rule as well the impacts of other EPA rulemakings promulgated since the last MOVES release, new emissions data, and new features that users have requested. MOVES2014 also includes the NONROAD2008 model, allowing for modeling of both on-road and nonroad mobile sources within the MOVES platform.

EPA has released an updated version of the original release of MOVES2014 that fixes some user reported issues. All MOVES2014 users should replace the July release of MOVES2014 with this one. Changes included in this MOVES2014 October Release are documented here. We have also updated a tool for modeling LEV standards available on the Tools page.

If you need to use an earlier version of MOVES go to MOVES2010b and Previous MOVES Versions and Documentation

Please find the latest guidance on Using MOVES for State Implementation Plans (SIP) and Transportation Conformity here:

For further information:

NOTE: You will need Adobe Acrobat Reader, available as a free download, to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.


General Information about MOVES2014

  • MOVES2014 Questions and Answers (PDF) (5 pp, 175K, EPA-420-F-14-049, July 2014) This document highlights the differences between MOVES2014 and earlier versions of MOVES and explains EPA policy on using MOVES2014 in State Implementation Plans and Transportation Conformity Analyses.

  • MOVES2014 Overview for Experienced MOVES Users (PDF) (6 pp, 121K, EPA-420-B-14-059, July 2014) Provides a brief overview of the major functional changes in MOVES2014.

  • Announcement of MOVES2014 October Release (PDF) (8 pp, 116K, EPA-420-B-14-094 October 2014)

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MOVES2014 User Documents and Tools

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Downloading MOVES2014

  • Download MOVES2014 October Release Installer (ZIP) (333MB, December 2014) This is an updated version of the original release of MOVES2014 that fixes some user reported issues. All MOVES2014 users should replace the July release of MOVES2014 with this one. An announcement with details of this release is here. The Zip file includes everything needed to install MOVES2014: Installation guide, executable file for the MOVES software, and default database. This installation includes the December 2014 updated nonroad post-processing scripts. After downloading and unzipping the ZIP file, open and read the MOVES2014 Installation Guide PDF for detailed instructions on installing MOVES2014.

  • Download new nonroad post-processing scripts (ZIP) (8.38K, December 2014). This zip file contains new nonroad post-processing scripts that fix an error that may cause incorrect results in the processing of nonroad output. Instructions for replacing the scripts are available in the ZIP file. MOVES users who have used the MOVES installer dated December 2014-or-later already have these scripts and do not need to download this file.

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Using MOVES2014 for SIP and Conformity Purposes (also see MOVES2014 Questions & Answers)

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