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Modeling and Inventories

NONROAD Model (nonroad engines, equipment, and vehicles)

NONROAD2008 has been incorporated into MOVES2014. EPA recommends using MOVES2014 if you are having problems installing or using NONROAD2008 on newer operating systems.

The NONROAD2008 model is intended for Windows 98 and later.  Its primary use is for estimation of air pollution inventories by professional mobile source modelers, such as state air quality officials and consultants.  NONROAD2008 updates NONROAD2005 to include new nonroad emission standards promulgated in 2008 related to small gasoline engines and pleasure craft.

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NONROAD2008a Model

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.

If you prefer to receive a CD that contains the non-ZIP'd model files, please email nonroad@epa.gov or fax 734-214-4939 with your request and mailing address.

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Documentation: User Guide

This has not been updated for NONROAD2008. See the ReadMe or Frequently Asked Questions (PDF) (5 pp, 190K, EPA420-F-09-021, April 2009) document for additional information.

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Documentation: Technical Reports

These reports were updated in either July 2010, December 2005 or April 2004 and supersede prior versions. They are updated for NONROAD2008a. See the ReadMe or Frequently Asked Questions (5 pp, 190K, EPA420-F-09-021, April 2009) document for additional information.

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Other EPA NONROAD Model Documentation

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Other Nonroad Reference Material

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For further information or assistance regarding this web page, please contact the ASD Info Line at 734- 214-4636 or email: nonroad@epa.gov.

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