Fleet Rule for Public Agencies and Utilites
Current Regulation and Advisories

This page last reviewed September 30, 2011

All public Public Fleets meeting and workshop notices are posted here Meetings and Workshops for your information.

To obtain information on enforcement activities and advisories click here.

Regulatory Documents
2009 Final Regulation Order (Revision) Revisions to sections 2020: Purpose and Definition of Diesel Particulate Matter Control Measures sections 2022 and 2022.1. Diesel Particulate Matter Control Measure for Municipality or Utility On-Road Heavy-Duty Diesel-Fueled Vehicles. The Office of Administrative Law approved the rulemaking, filed it with the Secretary of State and the regulation became effective on December 3, 2009.
REVISED (PDF - 111K) - without strikeouts and underlines
REVISED (PDF - 97K) - with strikeouts and underlines
2005 Final Regulation Order Along With All Related Reports Regulatory documents for the control measure for diesel particulate matter emissions from on-road heavy-duty diesel public agency and utility fleet vehicles.
Advisories
Advisory on the Delay or Suspension of the Installation of Particulate Matter (PM) FiltersMSC 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.
Recently Approved Changes to the Fleet Rule for Public Agencies and Utilities #MSC 09-12 At its 2008 December meeting, the Air Resources Board approved a number of clarifying and administrative changes to the Fleet Rule for Public Agencies and Utilities. The changes will be effective once they are approved by the Office of Administrative Law. The changes approved by the Board are summarized in this Advisory #MSC 09-12.
Enforcement Advisory Number 379 Diesel emissions control strategies (DECS) are used to control exhaust from diesel fleets. The ARB s verification procedure requires that a DECS manufacturer specify the fuel necessary for proper functioning of the DECS. Use of any alternative diesel fuels and/or fuel additives not specifically listed in the DECS verification Executive Order is illegal and strictly prohibited. Please read Advisory Number 379 which details the use of alternative diesel fuels and fuel additives in engines equipped with DECS: http://www.arb.ca.gov/enf/advs/advs379.pdf.

For further information please contact Ms. Shawn Daley at (626) 575-6972 or sdaley@arb.ca.gov or Mr. Tajinder Gill at (626) 459-4304 or tgill@arb.ca.gov.
Auction House and Dealership Advisory The Air Resources Board issued an advisory to inform auction houses and dealerships of proposed changes to the Fleet Rule for Public Agencies and Utilities to affect auction houses and dealerships.
Vehicles Subject to the Fleet Rule for Public Agencies and Utilities Advisory Available The Air Resources Board issued an advisory to assist municipalities and utilities in identifying the types of vehicles subject to the Fleet Rule for Public Agencies and Utilities.
Revised Enforcement Advisory Number 354 Available Revised enforcement advisory number 354 is now available. Owners/operators of on-road heavy-duty diesel vehicles should be aware of the engine, vehicle, and verified diesel emission control strategies, labeling requirements of the Air Resources Board's programs and regulations.
Air Resources Board encourages county and city government officials to support their fleet administrators efforts. The Air Resources Board (Board) has issued a letter encouraging county and city government officials to support their fleet administrators in complying with the
Fleet Rule for Public Agencies and Utilities. Compliance with the regulation is important to fleet operators to not only reduce diesel soot emissions from their diesel-fueled fleet, but also to avoid costly penalties associated with non-compliance. The first implementation deadline for the regulation is December 31, 2007, where 20 percent of diesel-fueled vehicles subject to the regulation with 1960 through 2002 model year engines must have best available control technology applied.
Mailout MSC 07-15 regarding the proper selection of ARB verified diesel emission control strategies (DECS) Before purchasing an ARB verified DECS, it is highly recommended that fleet operators read the applicable verification Executive Order for the DECS to be purchased. DECS installed on inappropriate engines, vehicles, and/or applications, or operated in a manner that is not compliant with the Executive Order are not verified configurations. Such configurations will not satisfy the BACT requirement of ARB fleet rules, and could expose owners of affected vehicles or equipment to potentially significant civil penalties and fines.
Diesel emission control strategies (DECS) now available for Public Agency and Utility Group 1 vehicles Verified DECS are now available for Group 1 engines to meet BACT. ARB has recently issued Advisory, MSC 07-10, concerning compliance extensions for Group 1 municipal and utility vehicles. During the Air Resources Board's (ARB) training seminars on the Fleet Rule for Public Agencies and Utilities in October and November 2006, verified devices were not available for Group 1 engines. ARB discussed the possibility of providing a blanket compliance extension for Group 1 engines. ARB will not be providing a blanket compliance extension for Group 1 engines because DECS are now available.
Enforcement Division Advisory Number 362, federal agencies are not covered by the Fleet Rule for Public Agencies and Utilities In February 2007, the Air Resources Board (ARB) determined, per the doctrine of sovereign immunity (Section 118(a) of the Clean Air Act), that federal agencies are not covered by the Fleet Rule for Public Agencies and Utilities, as set forth in title 13, California Code of Regulations, sections 2022 and 2022.1. Enforcement Division Advisory Number 362 provides an overview of the regulation, and the applicability for federal fleets.
MSC 06-16 and MSC 06-17 regarding the DECS compliance with the NO2 requirements New NO2 requirements for verified Diesel Emission Control Strategies may affect what can be installed on your fleet on January 1, 2007. The Air Resources Board released MSC 06-16 and 06-17 regarding the DECS compliance with the NO2 requirements that take effect January 1, 2007.
Advisory on Senate Bill 975 (SB975), Ashburn Air Quality: Biodiesel Fuel The California Senate passed Senate Bill 975, which allows within California any federal, state, or local agency; any regulated utility, and any owner or operator of solid waste collection vehicles to use B20 with retrofit devices through 2008 whether or not the device is verified with its use. An advisory letter, Mailout #MSC 05-21, clarifying the use of B20, diesel that contains 20 percent by volume biodiesel, in conjunction with retrofit devices is now available.


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