Rulemaking Activity

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2021

The 2021 rulemaking activity included amendments to:

  • Small Off-Road Engine Exhaust Emission Regulations
  • California Exhaust Emission Standards and Test Procedures for New 2013 and Later Small Off-Road Engines; Engine‑Testing Procedures (Part 1054)
  • California Exhaust Emission Standards and Test Procedures for New 2013 and Later Small Off-Road Engines; Engine-Testing Procedures (Part 1065)
  • Small Off-Road Engine Evaporative Emission Regulations
  • CP-902, Certification Procedure for Evaporative Emission Control Systems
  • TP-901, Test Procedure for Determining Permeation Emissions from Small Off‑Road Engine Fuel Tanks
  • TP-902, Test Procedure for Determining Diurnal Emissions from Small Off‑Road Engines

The amendments were approved by the Office of Administrative Law on September 14, 2022. The amendments became effective on January 1, 2023.

2016

The 2016 rulemaking activity included amendments to:

  • Small Off-Road Engine Evaporative Emission Regulations
  • CP-901, Certification Procedure for Evaporative Emission Control Systems on Engines With Displacement Less Than or Equal to 80 Cubic Centimeters
  • CP-902, Certification Procedure for Evaporative Emission Control Systems on Engines With Displacement Greater Than 80 Cubic Centimeters
  • TP-901, Test Procedure for Determining Permeation Emissions from Small Off‑Road Engine Fuel Tanks
  • TP-902, Test Procedure for Determining Diurnal Emissions from Small Off‑Road Engines

The amendments were approved by the Office of Administrative Law on November 13, 2017. The amendments became effective January 1, 2018.

2011

    The 2011 rulemaking activity included amendments to:

    • Exhaust Emission Standards and Test Procedures–Small Off-Road Engines

    The amendments were approved by the Office of Administrative Law on December 11, 2012. The amendments became effective January 10, 2013.

    2008

    The 2008 rulemaking activity included amendments to:

    • Off-Road Vehicles and Engines Pollution Control Devices, Article 1. Small Off‑Road Engines

    The amendments were approved by the Office of Administrative Law on April 5, 2010. The amendments became effective May 5, 2010.

    2003

    The 2003 rulemaking activity included amendments to:

    • Off-Road Vehicles and Engines Pollution Control Devices, Article 1. Small Off‑Road Engines

    The rulemaking included adoption of:

    • Evaporative Emission Requirements for Off-Road Equipment

    The regulations were approved by the Office of Administrative Law on September 20, 2004. The amendments became effective October 20, 2004.

    1998

      The 1998 rulemaking activity included amendments to:

    • Exhaust Emission Standards and Test Procedures–Small Off-Road Engines

    The amendments were approved by the Office of Administrative Law on March 23, 1999, and became effective the same day.

    1996

     The 1996 rulemaking activity included amendments to:

    • Exhaust Emission Standards and Test Procedures-Utility and Lawn and Garden Equipment Engines

    The amendments were approved by the Office of Administrative Law on February 20, 1997, and became effective the same day.

    1994

      The 1994 rulemaking activity included amendments to:

    • Exhaust Emission Standards and Test Procedures-Utility and Lawn and Garden Equipment Engines.

    The amendments were approved by the Office of Administrative Law on June 9, 1995, and became effective the same day.

    1993

    The 1993 rulemaking activity included amendments to:

    • Exhaust Emission Standards and Test Procedures-Utility and Lawn and Garden Equipment Engines.

    The amendments were approved by the Office of Administrative Law on October 4, 1993, and became effective the same day.