In-Use Off-Road Diesel Vehicle Regulation

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What's New?

Posted September 30, 2011
Advisory on the Delay or Suspension of the Installation of Particulate Matter (PM) Filters. MSC Mail-Out 11-29 has been posted to address compliance when a manufacturer of a verified diesel PM filter suspends sales and installations of a PM filter, or requires its removal for a particular engine family. 

Posted March 29, 2011
2011 Large Fleet Reporting and Compliance Certification. ARB will not be enforcing the off-road regulation large fleet reporting and compliance certification deadline this year. The first large fleet annual reporting date and due date for a signed statement affirming compliance will instead be March 1, 2012. However, we encourage fleets to double check that their DOORS data is accurate. Also, the requirements to report added vehicles to ARB within 30 days, to label vehicles with Equipment Identification Numbers (EINs), and to limit idling to 5-minutes or less, remain in effect and are being enforced.

Posted January 14, 2011
A fact sheet summarizing the December 2010 amendments now available. A fact sheet summarizing the December 2010 amendments to the In-Use Off-road Diesel Vehicle Regulation is now available here.

Posted January 12, 2011
Attachment B to Draft Resolution now available. At the December 17, 2010 Board Hearing, Air Resources Board staff distributed a draft 15-day modified regulation order as Attachment B to the draft resolution. Staff will finalize the draft regulation order per the direction of the board as soon as possible, including adding a compliance option to allow on-road and off-road vehicles that have been retrofit to count towards the compliance requirements of either regulation. Staff will then make it available to the public for a supplemental written comment period of at least 15 days in accordance with section 11346.8 of the Government Code.

Staff's proposal will incorporate into the Off-Road and Truck and Bus regulation so long as the actions taken under this option do not result in the loss of emission benefits in any given year.

For more information, please call the diesel vehicle information hot line at (866) 6-DIESEL or (866) 634-3735 or go to http://www.arb.ca.gov/msprog/ordiesel/ordiesel.htm.