pdfTruck & Bus Regulations - Compliance Requirements Summary– ummary of compliance requirements for vehicles above and below the 26,000lb GVWR threshold.
pdfReducing Emissions from Existing Diesel Vehicles– A general background from CARB on legislative mandates and general requirements. (En Espanol)
pdfTruck & Bus Regulation Compliance Summary – A CARB overview of the background, compliance requirements and timing for various vehicles. (En Espanol)
pdfCARB Small Fleet Compliance Options – CARB Fact Sheet discussing compliance requirement s for fleets with three or fewer vehicles.
pdfCARB School Bus Provisions– Facts from CARB regarding the definition of a school bus and pertinent compliance provisions for school bus fleets.
pdfCARB Agricultural Vehicle Provisions– CARB fact sheet that outline the types of vehicles that qualify as agricultural and the compliance provisions applicable to them.
Information on CARB-verified retrofit systems is also available. If you have questions specific to your fleet’s CARB compliance requirements, please feel free to contact us or one of our authorized distributor/installers.

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Due to its nature, CDTi provides the information contained in this website as a courtesy and does not assume any responsibility or liability for the information or resources provided or their accuracy. Following of guidelines provided by this website does not in any way guarantee compliance with CARB or any other legislative body or directives.