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Statewide Truck & Bus Rule

What is it?

Statewide measure developed to reduce diesel particulate matter (PM), NOx and other pollutants from on-road heavy-duty diesel vehicles. The Statewide Truck & Bus rule covers almost all fleets that are not scoped under any other rule. Trucks captured by the CARB Drayage regulation and San Pedro Port Clean Truck Program are also subject to the STB regulation.




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