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In-Use Exhaust Deterioration

In-Use Exhaust Deterioration and I/M Benefits of 1981 and Newer Model Year Cars and Trucks: Package of Related Material for Stakeholder Review

This website describes the basic methodology and key issues when comparing the results obtained by MOBILE5 with that of MOBILE6. In-use exhaust deterioration refers to the modeling of vehicle mileage. Material contained on the website was a package of related material released for stakeholder review and comment.

For further information or assistance regarding this web page, contact:
ASD Information Line, phone: (734) 214-4636 or email: asdinfo@epa.gov

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This page is maintained by EPA's Office of Transportation and Air Quality (OTAQ).
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