CARB clarifies extension for Truck and Bus Rule compliance

By Charlie Morasch, Land Line contributing writer | Wednesday, July 10, 2013

The California Air Resources Board is allowing some truck owners additional time to comply with its expensive Truck and Bus Regulation. The move comes after some diesel equipment manufacturers have had difficulty keeping up with orders.

In an advisory mail-out, CARB is clarifying just how truck owners may obtain additional time and remain in compliance with the rule.

CARB’s Truck and Bus Rule requires most trucks and buses with a gross vehicle weight rating greater than 14,000 pounds to be upgraded either with diesel particulate filters or by upgrading to cleaner and newer engines between 2012 and 2023.

According to CARB, truck owners are relieved from “immediate compliance with applicable PM filter requirements if the PM filter or the engine/vehicle originally equipped with a PM filter is purchased at least four months prior to the initial compliance deadline and has not been received due to a manufacturer delay.”

Because the rule steps up new requirements each Jan. 1 dependent on the model year of each truck, CARB says the PM filter, replacement vehicle or engine must be contractually purchased by Sept. 1 of the year before the initial compliance date.

“Orders for PM retrofits or new vehicle purchases are typically delivered by the manufacturer within four months of the order,” CARB’s advisory states. “However, for some specialized vehicles or during periods of high demand delivery has taken longer. Therefore, ARB will consider the temporary extension period to end May 1 of the compliance year, and the vehicle engine that was planned to be replaced or retrofitted may not continue to be operated after May 1 until the fleet is brought into compliance.”

For more information, go to the Truck and Bus Rule section on the CARB website here. CARB’s diesel hotline is available at 1-866-6DIESEL (866-634-3735) or by email at 8666diesel@arb.ca.gov.

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