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AQMD Reinstates Major Portions of its Clean Fleet Rules

July 27, 2005

Following a federal court ruling in May, the Southland’s clean air agency will resume enforcement of its clean fleet rules for privately owned fleets under contract to or operated under an exclusive license with public agencies.

The affected fleets include school bus, transit bus, street sweeping, airport ground-access and refuse collection fleets owned and operated by private entities under contract or license to public agencies.

“Privately owned fleets under contract or license to public agencies now have the same obligation to help clean the air as publicly owned fleets,” said William A. Burke, Governing Board Chairman of the South Coast Air Quality Management District.  “This is a major step toward our goal of reducing smog-forming and toxic air pollution in Southland communities.”

Starting Aug. 1, school bus, transit bus, refuse collection, airport ground-access, and street sweeper rules will apply not only to public fleets, but also to private fleets under contract to or operating under an exclusive license with state or local public agencies, including the State of California, counties, cities and special districts.  AQMD will not enforce its fleet rules as they apply to federal agencies or for private fleets that are not operating under any contracts or licenses with state or local public agencies. 

AQMD in May 2004 had suspended enforcement of its fleet rules as they applied to all privately owned fleets following the United States Supreme Court’s ruling on the fleet rules.  Consequently, private fleet operators will not be subject to enforcement action for any non-compliant vehicles purchased between May 2004 and Aug. 1, 2005.

AQMD has issued an advisory on its website detailing the reinstatement of portions of its fleet rules.  The advisory is the result of a May 6 order by federal District Court Judge Florence-Marie Cooper, denying a motion by the Engine Manufacturers Association and Western States Petroleum Association that sought to invalidate all applications of AQMD’s fleet rules.

In her 24-page opinion, Judge Cooper ruled that the fleet rules, as applied to state and local governments, fall within the market participant doctrine and therefore are not pre-empted by the federal Clean Air Act.

Cooper’s order was the latest legal development in a nearly five-year battle over the fleet rules.

In August 2000, following the AQMD’s adoption of the first five fleet rules, the Engine Manufacturers Association sued AQMD in federal District Court.  The Natural Resources Defense Council intervened in the action as AQMD’s co-defendant.

The lawsuit claimed that the rules were pre-empted because they violated Section 209 of the Clean Air Act.  That section states that, “No state or any political subdivision thereof shall adopt or attempt to adopt any standard relating to control of emissions from new motor vehicles or new motor vehicle engines subject to this part.”

AQMD argued that its fleet rules did not set emissions standards for new vehicles or engines, but rather placed purchase requirements on fleet operators requiring them to buy the cleanest vehicles commercially available.

Judge Cooper agreed and ruled against the Engine Manufacturers Association in 2001.  The Engine Manufacturers Association appealed to the Ninth Circuit Court of Appeals, which upheld Judge Cooper’s decision.  The Supreme Court of the United States then agreed to hear the case.  In April 2004, the Supreme Court reversed the lower court’s decision and ruled that purchase requirements do not escape preemption under Section 209 of the Clean Air Act.  The Court went on to note, however, that its ruling did not resolve the validity of the fleet rules, and it remanded the case to Judge Cooper’s court to resolve several issues, including “whether some of the fleet rules can be characterized as internal state decisions (and, if so, whether a different standard for pre-emption applies).”

Attorneys for AQMD, supported by a friend-of-the-court brief from the State of California, argued that most applications of the fleet rules fall under the market participant doctrine and therefore are not preempted by the federal Clean Air Act.

Judge Cooper agreed and held that the fleet rules, as applied to state and local governments, are valid procurement requirements, not within the scope of preemption under Section 209.

AQMD’s fleet rules, adopted in 2000 and 2001, target primarily diesel-powered vehicles, including transit buses, school buses, trash trucks, airport shuttles and taxis, street sweepers and heavy-duty utility trucks.  The rules generally require fleet operators to buy clean-fueled models when they replace vehicles or add to their fleets of 15 or more vehicles.

AQMD is the air pollution control agency for Orange County and major portions of Los Angeles, San Bernardino and Riverside Counties.

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