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EPA/AR RIN: 2060-AN01 Publication ID: Fall 2011 
Title: Component Durability Procedures for New Light Duty Vehicles, Light Duty Trucks & Heavy Duty Vehicles 
Abstract: On October 22, 2002 the United States Court of Appeals for the District of Columbia Circuit vacated durability provisions that automotive manufacturers used to demonstrate that the emissions of their vehicles would comply with emission standards for the useful lives of those vehicles. The Court also required EPA to issue new regulations. This action fulfills the mandate. The new durability regulations will include options that a manufacturer may choose from to age pre-production vehicles to determine the rate of emission deterioration over the vehicle's useful life. The options will include a prescribed fixed driving cycle and a prescribed bench aging cycle that are used to age prototype vehicles or emission control components to the equivalent of the useful life period of the vehicle in a manner that replicates the aging that the vehicle or components would see in actual use. This rule does not change the federal emission standards or the test procedures used to quantify emissions. Although there is no court-ordered deadline, this is a court-ordered action. 
Agency: Environmental Protection Agency(EPA)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 40 CFR 86   
Legal Authority: 42 USC 7521   
Legal Deadline:  None
Timetable:
Action Date FR Cite
Supplemental 2 NPRM  01/17/2006  71 FR 2843   
Final Action  04/00/2012    
Additional Information: EPA publication information: Supplemental 2 NPRM - http://www.epa.gov/fedrgstr/EPA-AIR/2006/January/Day-17/a073.htm; Split from RIN 2060-AK76; EPA Docket information: EPA-HQ-OAR-2002-0079
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
Sectors Affected: 3361 Motor Vehicle Manufacturing 
RIN Data Printed in the FR: No 
Agency Contact:
David Good
Environmental Protection Agency
Air and Radiation
AAPTIG,
Ann Arbor, MI 48105
Phone:734 214-4450
Email: Good.David@epamail.epa.gov