The Rule for On-Road Heavy-Duty Diesel-Fueled Public and Utility Fleets was approved in 2005 to reduce diesel particulate matter (PM) emissions from fleets operated by public agencies and utilities (PAU). The rule mandates affected owners to equip their affected vehicles with the Best Available Control Technology by December 31, 2012.
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Notice to Private Utilities
Private utilities, staring on January 1, 2021, will be subject to Truck and Bus regulation and reporting in Truck and Bus Regulation Reporting (TRUCRS) system may be required.