CARB Events

UPDATED 07/18/08
The Air Resources Board has posted our schedule for a series of statewide training seminars concerning the in-use off-road diesel regulation. The Air Resources Board has posted our schedule for a series of statewide training seminars concerning the in-use off-road diesel regulation. ARB will be holding twelve 4-hour long seminars that will run July 31, 2008 through September 12, 2008. The regulation was adopted in July 2007 and is now in effect. This regulation affects owners of off-road diesel vehicles such as backhoes, skid steers, and forklifts.
The training schedule can be found at http://www.arb.ca.gov/msprog/ordiesel/meetings.htm

Trainings are free, and we welcome your attendance. If you are interested in attending, please send an e-mail to Eric Brown at This e-mail address is being protected from spam bots, you need JavaScript enabled to view it .

UPDATED 07/18/08
We have posted an updated version of the Proposed Statewide Truck and Bus Regulation for the July-August workshops.

ARB staff have considered the comments received, and have modified the proposal as appropriate. The current release incorporates the comments taken in the previous round of workshops, as well as in other forums. At the workshops, ARB staff plans to provide an overview of the current proposal and to discuss the associated changes in the proposed regulation. The Proposed Statewide Truck and Bus Regulation can be downloaded at: http://www.arb.ca.gov/msprog/onrdiesel/onrdiesel.htm

We invite you to participate in a series of workshops to discuss the proposed regulation to reduce emissions from existing diesel-fueled on-road vehicles operating in the State. This is the seventh set of workshops since the initial regulatory concept was presented in April 2007 and will also be the last series of workshops before the proposed regulation will be considered by the Board on October 23, 2008. At the workshops, staff plans to provide an overview of the proposed regulation and to discuss the associated costs and emissions benefits. Day and evening workshops are planned. The daytime workshops will be held in San Diego, El Monte, Redding, San Jose, Sacramento, and Fresno. The workshop in Sacramento will also be webcast. Workshops will also be held in the evening in El Centro, Redding, San Jose, Riverside, and Arvin. For more information on the workshops: http://www.arb.ca.gov/msprog/onrdiesel/workshops.htm

The Air Resources Board has posted our upcoming schedule for a series of statewide training seminars for the in-use off-road diesel regulation. ARB will be holding twelve 4-hour long seminars that will run July 31, 2008 through September 12, 2008. The training schedule can be found at http://www.arb.ca.gov/msprog/ordiesel/meetings.htm

The Construction Industry Air Quality Coalition, with whom EGCA is associated, has put together a one-page list of talking points with regard to the CARB proposed On-Road Truck Regulation.

Download PDF

CARB Off-Road Regulation Approved by OAL

May 16 - The California Office of Administrative Law approved the in-use off-road diesel vehicle regulation and filed it with the Secretary of State today. The regulation will become effective on June 15, 2008. The final regulation order is available at http://www.arb.ca.gov/regact/2007/ordiesl07/frooal.pdf

New Information From CARB Regarding the Proposed Truck and Bus Regulation Language

May 16 - On May 12, 2008, we posted the revised proposed regulation to reduce emissions from in-use on-road heavy-duty diesel-fueled vehicles. We also posted an updated fleet average calculator and a fact sheet describing the significant health impacts associated with on-road heavy-duty diesel trucks and buses at: http://www.arb.ca.gov/msprog/onrdiesel/documents.htm

We have since made corrections to the proposed regulatory language reflecting revised Fleet PM Targets for heavy heavy-duty (HHD) vehicles for compliance years 2011 and 2012. The corrections are shown in Table 4 of the draft proposed regulation. You can view the Proposed Regulatory Language with Errata at: http://www.arb.ca.gov/msprog/onrdiesel/onrdiesel.htm

May 12, 2008 - This notice is yet another clarification regarding the notification requirements for engines registered in PERP. The previous notices were regarding the requirement to notify the local air district once a piece of registered portable equipment is moved into that air district. That notification requirement should not be confused with the requirement to contact your designated home district within 45 days after a registration has been issued to arrange for an inspection.

All applicable requirements are listed on the operating conditions which should be reviewed carefully.

Public Workshop Notice

To discuss a proposed regulation for in-use on-road heavy-duty diesel-fueled vehicles

May 27, 2008
10AM - 2PM
Cal Trans District 11
Garcia Room
4050 Taylor Street, San Diego

click for more info

May 1 -The above message omitted the fact that district notification is still required for engines if they are operated in the State Territorial Waters (STW). This notification for STW may not be made using our website. For STW notification the requirements are specifically listed in the operating conditions of the engine registration. Notification for onshore operations is not required for engines.

We have set up an automatic district notification form on our website (www.arb.ca.gov/portable/portable.htm), but it should only be used for registered equipment units, not engines.

If you have any questions regarding portable engine or equipment unit requirements, you may send an email to: This e-mail address is being protected from spam bots, you need JavaScript enabled to view it

April 30 - This notice is to advise all PERP participants that District notification is NOT required for engines registered in PERP. Notification is still required, however for equipment units. Equipment units are defined as any machine or process that emits particulate matter only (rock crushing & screening, concrete batch plants, wood grinding, abrasive blasting, etc.)