Tire Inflation Regulation

This page last reviewed December 16, 2010


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On September 1, 2010, the California Air Resources Board’s (ARB’s) Tire Pressure Regulation took effect.  The purpose of this regulation is to reduce greenhouse gas emissions from vehicles operating with under inflated tires by inflating them to the recommended tire pressure rating.  The regulation applies to vehicles with a gross vehicle weight rating (GVWR) of 10,000 pounds or less.  Automotive service providers must meet the regulation’s following requirements:


  • Check and inflate each vehicle’s tires to the recommended tire pressure rating, with air or nitrogen, as appropriate, at the time of performing any automotive maintenance or repair service.
  • Indicate on the vehicle service invoice that a tire inflation service was completed and the tire pressure measurements after the service were performed.
  • Perform the tire pressure service using a tire pressure gauge with a total permissible error no greater than + two (2) pounds per square inch (psi).
  • Have access to a tire inflation reference that is current within three years of publication.
  • Keep a copy of the service invoice for a minimum of three years, and make the vehicle service invoice available to the ARB, or its authorized representative upon request.

What's New

Posted: August 31, 2010
button The Tire Pressure Regulation was approved by OAL on August 30, 2010.  The effective date for the regulation is September 1, 2010.
If you have questions on the regulation or how to comply, please contact the following staff. Final Regulation Language
Posted: August 10, 2010
button FAQ-Frequently Asked Questions has been posted. OAL has until August 31, 2010 to make a determination. Please submit additional questions to Theresa Anderson at 916-445-2159.
Posted: July 20, 2010
button Please be advised that the resubmittal final rulemaking package for Under Inflated Vehicle Tires was filed with OAL today, July 20, 2010.   OAL has until August 31, 2010 to make a determination. In addition ARB has requested for Early Effective Date of September 1, 2010.
Posted: June 21, 2010
button The Modified Regulatory Language for the Third 15-day Comment Period for Under Inflated Vehicle Tires has been posted. The deadline to submit public comment is July 6, 2010. The effective date for the Tire inflation Regulation has been changed. We are proposing an effective date of September 1, 2010. For questions please contact Theresa Anderson at 916-445-2159
Posted: March 29, 2010
button On March 22, 2010, OAL disapproved the regulations. Office of Administrative Law's (OAL) March 22, 2010, "Decision of Disapproval of Regulatory Action,"
OAL File No. 2010-0204-03 S (PDF - 486K). ARB has until July 20, 2010 to file a resubmittal package with the OAL.
For question please call Theresa Anderson at 916-445-2159
Posted: February 11, 2010
button FYI-“Private and public ASPs which service their own vehicles can demonstrate compliance with this rule by documenting in their normal vehicle service or maintenance records that appropriate tire inflation service and measurement was performed.”
Posted: February 9, 2010
button The Final Rulemaking Package was filed with OAL on February 4, 2010. OAL has until March 19, 2010 to make a determination.
Posted: January 14, 2010
button The Modified Regulatory Language for the Second 15-day Comment Period for Under Inflated Vehicle Tires has been posted. The deadline to submit public comment is January 29, 2010.
Posted: October 23, 2009
button The Modified Regulatory Language for 15-day Comment Period for Under Inflated Vehicle Tires has been posted. The deadline to submit public comment is November 9, 2009.
Posted: May 19, 2009
button News Release- Tire pressure check will save money, gas and lives .
Posted: February 5, 2009
button The Initial Statement of Reasons for Under Inflated Vehicle Tires has been posted. This item is scheduled for the March 26, 2009, Board Hearing. More information to follow.
Posted: October 7, 2008
button October 8, 2008 Workshop Presentation has been posted.
Posted: October 6, 2008
button October 8, 2008 Workshop Agenda has been posted. More information to follow.
Posted: September 15, 2008
button Please sign up for our monthly tire reminder program.
Posted: August 20, 2008
button Workshop Meeting rescheduled for October 8, 2008. For more information please view the Workshop Meeting Notice .
Posted: August 13, 2008
button Workshop Meeting Scheduled for September 10, 2008. Please View the Workshop Meeting Notice.  More information to follow.
Posted: June 5, 2008
button All presentation from the June 4, 2008 Workgroup Meeting have been posted.
Posted: June 2, 2008
button June 4, 2008 Workgroup Meeting presentation is now available.
Posted: April 30, 2008
button Workgroup Meeting June 4, 2008 Call in # 800-857-4604 Passcode TANDERSON
Posted: April 29, 2008
button Workgroup Meeting Scheduled for June 4, 2008. Please view the Workgroup Meeting Notice. More information to follow.
Posted: March 17, 2008
button Workgroup Meeting Presentation has now been posted.
Posted: March 10, 2008
button Workgroup Meeting March 18, 2008 Call in # 1-800-857-4604 Passcode # 31031
Posted: March 4, 2008
button Workgoup Meeting Notice Posted
Posted: March 3, 2008
button Workgroup Meeting Scheduled for March 18, 2008. More information to follow.
Posted: March 3, 2008
button We have created a new list serve for the Tire Pressure Program


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