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Truck and Bus Regulation
On-Road Heavy-Duty Diesel Vehicles (In-Use) Regulation
This page last reviewed July 25, 2018
On Road Vehicles
Background:
The regulation requires diesel trucks and buses that operate in California to be upgraded to reduce emissions. Newer heavier trucks and buses must meet PM filter requirements beginning January 1, 2012. Lighter and older heavier trucks must be replaced starting January 1, 2015. By January 1, 2023, nearly all trucks and buses will need to have 2010 model year engines or equivalent.
The regulation applies to nearly all privately and federally owned diesel fueled trucks and buses and to privately and publicly owned school buses with a gross vehicle weight rating (GVWR) greater than 14,000 pounds. At this phase of implementation, the regulation provides limited flexibility options and vehicle owners must report to claim options they are eligible for, such as the Low-Use exemption, NOx Exempt Area extension, and Heavy Crane Phase-In Option.
Senate Bill 1 (SB1) allows only vehicles compliant with the Truck and Bus regulation to be registered by the California Department of Motor Vehicles (DMV). It is vital that you accurately report VINs, plate numbers, and engine information in the Truck Regulations Upload, Compliance and Reporting System (TRUCRS) if using a flexibility option. Failure to report required information accurately could delay California DMV registration starting in 2020.
For other information about this regulation, other diesel engine regulations, or training programs, please contact an ARB diesel representative at 866-6DIESEL (866-634-3735) or visit the Truck Stop website.
Please sign up to receive email updates at the Truck and Bus Regulation Listserve.
What's New:
CTA/Lawson Lawsuit: 2014 Truck & Bus Regulation Amendments Affected (July 25, 201
In 2014, to void the flexibility options provided in the 2014 amendments to the Truck and Bus regulation, John R. Lawson Rock and Oil of Fresno and the California Trucking Association sued the California Air Resources Board. On January 31, 2018 the court ruled to void the 2014 amendments. Details on the potential impact can be found on the TruckStop page.
Three Day Pass Now Online (July 12, 2017)
Vehicle owners are now able to claim a Three Day Pass online. Read the Three Day Pass Online User Guide to see if you are eligible to claim a Three Day Pass for one vehicle per fleet per year.
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