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Manufacturer-Run In-Use Testing Program Data for Light-Duty Vehicles, Light-Duty Trucks, and Heavy-Duty Vehicles Class 2b and 3

This page provides data from the manufacturer-run in-use emissions verification testing program (IUVP) and in-use confirmatory testing program (IUCP). Manufacturers run emissions tests on in-use vehicles according to the requirements of 40 CFR §86.1845-04/1846-04 and submit the results to EPA as required in §86.1847-01.  The data have been redacted for Confidential Business Information (CBI) and Personally Identifiable Information (PII) but otherwise are as provided to EPA by the manufacturers.

Light-Duty Manufacturer-Run In-Use Testing Data (XLSX)(41 MB, April 2021) Free Viewers