On-Road Heavy-Duty Diesel Vehicles (In-Use) Regulation

 (Statewide Truck and Bus Regulation) 

This last revised May 8, 2008

The Air Resources Board (ARB) staff is developing a regulation to reduce diesel particulate matter (PM) and other emissions from in-use heavy-duty diesel powered vehicles operating in California. A proposed regulation is planned to be presented to the Air Resources Board in October 2008. The proposed regulation would apply to diesel shuttle buses, vehicles greater than 14,000 pounds Gross Vehicle Weight Rating (GVWR), and does not include pickups.


To better help us understand your business and potential impact of the proposed regulation, please fill out the Truck and Bus Information Survey.

The Proposed Regulatory Language to be updated.




What's New:
Public Workshops to be held in May and June 2008(Posted Apr. 25, 2008)
We invite you to participate in the next series of public workshops to discuss revised proposed regulatory language to reduce emissions from existing diesel-fueled trucks, buses, and other vehicles operating in California. In addition to discussing revisions to the proposed regulation, staff will also discuss revised emission benefits and cost estimates, revisions to the Public Agency and Utility Regulation, and how school districts would be affected by the proposed regulation. The workshops will be held during the day and in some locations, in the evening as well, with breakout sessions to discuss the proposed school bus requirements.
The day workshops will be held:       
    El Monte on May 21
    San Diego on May 27
    San Jose on May 30
    Redding on June 2
    Sacramento on June 4
    Fresno on June 10
The evening workshops will be held:     
    El Centro on May 27
    Riverside on May 29
    San Jose on May 30
    Redding on June 2
    Sacramento on June 4
    Fresno on June 10
The workshops in Sacramento will also be webcast. For more information on the workshops: http://www.arb.ca.gov/msprog/onrdiesel/workshops.htm. Additional information, including revised regulatory language and fact sheets, will be made available before the workshops, and will be available at: http://www.arb.ca.gov/msprog/onrdiesel/onrdiesel.htm


January and February 2008 Workshop Presentation (Jan. 25, 2008)

Draft Revised Proposed Regulation for January and February 2008 Workshops (Jan. 22, 2008)
We have posted the revised proposed regulation to reduce emissions from on-road in-use heavy-duty diesel-fueled vehicles. We have also posted an updated fleet average calculator. We will discuss the revised proposal at the public workshop series scheduled January 28 - February 11. More information on the workshops.


Revised Workshop Notice for January and February 2008 Workshops (Jan. 11, 2008)
Please note that ARB staff has changed the date of the workshops (day and evening) to be held in Berkeley. The new date of the Berkeley workshops is February 11, 2008. ARB staff has also added an additional evening workshop to be held in El Centro on February 4, 2008. The other workshop dates and locations have not changed. The day workshops will be held in Sacramento on January 28, in Fresno on January 30, in El Monte on January 31, in San Diego on February 4, and in Redding on February 6. The evening workshops will be held in Fresno on January 30, in Riverside on January 31, and in Redding on February 6. The workshop in Sacramento will also be webcast.


Public Workshops to be held in January and February 2008 (Jan. 2, 2008)
We invite you to participate in a series of ten public workshops to discuss revised proposed regulatory language, preliminary results from vehicle surveys, economic impacts, and additional outreach efforts. The workshops will be held during the day and in some locations, in the evening as well. The day workshops will be held in Sacramento on January 28, in Fresno on January 30, in El Monte on January 31, in San Diego on February 4, in Redding on February 6, and in Berkeley on February 12. The evening workshops will be held in Fresno on January 30, in Riverside on January 31, in Redding on February 6, and in Berkeley on February 12. The workshop in Sacramento will also be webcast.


Diesel Truck and Bus Survey (Nov. 16, 2007)
We have posted an on-line survey to gather information on the use of heavy-duty diesel vehicles in California. The purpose of the survey is to better understand the age and use of diesel vehicles used in different operations such as long-haul, local delivery, and other types of operations. We would like any person, business or corporation that owns or is leasing, for twelve months or more, any diesel powered truck, bus, pickup, or other vehicle to complete the survey. A hard copy version is also available.


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