Questions or Comments: aqp@tceq.texas.gov
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I/M Rules, Program Reports, and Helpful Links

Links to the Vehicle Emissions Inspection and Maintenance (I/M) Program rules, related documents, analyzer specifications, and other related Web sites.

Rules

TCEQ Vehicle Emissions Inspection Program rulesExit the TCEQ

Program Reports

Fee Analysis

application/pdf2022 Fee Analysis for AirCheckTexas Vehicle Emissions Inspection Program

application/pdf2020 Fee Analysis for AirCheckTexas Vehicle Emissions Inspection ProgramExit the TCEQ

application/pdf2020 Fee Analysis for AirCheckTexas Vehicle Emissions Inspection Program (Bexar County)Exit the TCEQ

application/pdf2018 Fee Analysis for AirCheckTexas Vehicle Emissions Inspection ProgramExit the TCEQ

application/pdf2016 Fee Analysis for AirCheckTexas Vehicle Emissions Inspection ProgramExit the TCEQ

application/pdf2014 Fee Analysis for AirCheckTexas Vehicle Emissions Inspection ProgramExit the TCEQ

application/pdf2012 Fee Analysis for AirCheckTexas Vehicle Emissions Inspection ProgramExit the TCEQ

application/pdf2009 Fee Analysis for AirCheckTexas Vehicle Emissions Inspection ProgramExit the TCEQ

application/pdf2007 Fee Analysis for AirCheckTexas Vehicle Emissions Inspection ProgramExit the TCEQ

Program Evaluation

application/pdf2022 Inspection and Maintenance Program Evaluation

application/pdf2020 Inspection and Maintenance Program EvaluationExit the TCEQ

application/pdf2018 Inspection and Maintenance Program EvaluationExit the TCEQ

application/pdf2016 Inspection and Maintenance Program EvaluationExit the TCEQ

application/pdf2015 Inspection and Maintenance Program Evaluation (Austin AreaExit the TCEQ)

application/pdf2014 Inspection and Maintenance Program EvaluationExit the TCEQ

application/pdf2012 Inspection and Maintenance Program EvaluationExit the TCEQ

application/pdf2009 Inspection and Maintenance Program EvaluationExit the TCEQ

application/pdf2006 Inspection and Maintenance Program EvaluationExit the TCEQ

Program Enhancement Studies

application/pdf2010 Enhancements to On-Board Diagnostics Components of the Inspection and Maintenance ProgramExit the TCEQ

application/pdf2010 Eliminating Tailpipe Testing from the Inspection and Maintenance ProgramExit the TCEQ

application/pdf2008 Estimates of Emission Reductions from Performing OBDII Tests on 1997 and Newer Diesel Vehicles up to 14,000 lbs GVWExit the TCEQ

application/pdf2005 Estimates of Emission Reductions from Performing OBDII Tests on 1997 and Newer Light-Duty Diesel VehiclesExit the TCEQ

Analyzer Specifications

application/pdfTexas Vehicle Emissions Inspection Analyzer SpecificationsExit the TCEQ

Helpful Links

The following links will take you off the TCEQ Web site. Exit TCEQ site

Texas Department of Public Safety (DPS)Exit the TCEQ

Texas Department of Motor Vehicles (TxDMV)Exit the TCEQ

Texas Department of Transportation (TxDOT)Exit the TCEQ

U.S. Environmental Protection Agency (EPA)Exit the TCEQ

Clean Air ActExit the TCEQ