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Related Material
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Control of Emissions of Air Pollution From 2004 and Later Model Year Heavy-Duty Highway Engines and Vehicles; Revision of Light-Duty Truck Definition
- Final Regulations for Revisions to the Federal Test Procedure for Emissions From Motor Vehicles
- Control of Air Pollution From New Motor Vehicles; Compliance Programs for New Light-Duty Vehicles and Light-Duty Trucks
- Control of Air Pollution From New Motor Vehicles and New Motor Vehicle Engines: Voluntary Standards for Light-Duty Vehicles