The EPA has recently issued a notice of violation of the Clean Air Act to Volkswagen AG, Audi AG, and Volkswagen Group of America, Inc. They allege that Volkswagen and Audi diesel cars model year 2009-2015 have software that circumvents EPA emissions standards. You can find more information here.

The department has awarded Worldwide Environmental Products, Inc. (WEP) the contract for the Gateway Vehicle Inspection Program. All currently enrolled stations that want to continue performing emission inspections must complete an enrollment packet and submit it to the company by Feb. 28, 2017. The enrollment packet is online at For more information, contact WEP staff at (877) 832-7664. Applications received after Feb. 28 may result in delayed processing and/or station setup. If a station that is not currently enrolled wants to participate in the program, it, too, must submit an enrollment packet.

The Gateway Vehicle Inspection Program (GVIP) improves air quality in the St. Louis region. GVIP is an emissions testing program for vehicles registered in the St. Louis ozone nonattainment area, which includes St. Louis City, Franklin County, Jefferson County, St. Charles County and St. Louis County.

The cost of the emissions test is $24. Click to report being charged more than this.

Emission Exemptions and Waiver Information Forms

This webpage is for emissions testing only. For safety inspection information please follow this link:

Map of non-attainment area.