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Diesel Emission Compliance Verification

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Effective January 1, 2020, the Department of Motor Vehicles (DMV) will begin verifying with the California Air Resources Board (CARB) that your diesel vehicle(s) is compliant with, or exempt from, its Truck and Bus Regulation, related to emission standards.

  • What vehicles must comply with the CARB Truck and Bus Regulation?
    Diesel vehicles with a manufacturer gross vehicle weight rating (GVWR) greater than 14,000 pounds must comply with the CARB Truck and Bus Regulation.

  • Phased verification approach based on model year
    The two schedules below show when your vehicle will be impacted by this change. There are two schedules, one for vehicles with a GVWR of 14,001 to 26,000 pounds and one for vehicles with a GVWR greater than 26,000 pounds. Each schedule is based on model year.

    1. Diesel-fueled vehicles with a GVWR of 14,001 to 26,000 pounds:
    2. EFFECTIVE DATE
      VEHICLE MODEL YEAR
      January 1, 2020
      2004 and Older
      January 1, 2021
      2007 and Older
      January 1, 2023
      2010 and Older

    3. Diesel-fueled vehicles with a GVWR greater than 26,000 pounds:
    4. EFFECTIVE DATE
      VEHICLE MODEL YEAR
      January 1, 2020
      2000 and Older
      January 1, 2021
      2005 and Older
      January 1, 2022
      2007 and Older
      January 1, 2023
      2010 and Older

  • What if my vehicle does not comply with the CARB Truck and Bus Regulation by the date required?
    If CARB reports to DMV that your vehicle does not comply with the CARB Truck and Bus Regulation, you will be unable to register your vehicle or transfer its ownership to another party.

  • How can I comply?  How will DMV know that my vehicle now complies?
    CARB offers compliance guidance on its website: The Truck Stop. Once CARB has updated your vehicle’s record with the DMV to show compliance, you may register your vehicle at DMV.
  • Are there exemptions to complying with the CARB Truck and Bus Regulations?
    Please check the CARB’s website, The Truck Stop, for information on compliance exemptions.

  • What caused this change?
    Senate Bill 1 (Beall, Chapter 5, Statutes of 2017) requires DMV to deny registration, or transfer of ownership, of specified diesel vehicles that do not comply with CARB Truck and Bus Regulations.

For more information about the Truck and Bus Regulation, visit CARB’s website at The Truck Stop or call the Diesel Hotline at 1-866-634-3735.

 
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