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The rulemaking "Control of Air Pollution From Motor Vehicles: Tier 3 Motor Vehicle Emission and Fuel Standards" was finalized by EPA in April 2014 (79 FR 23414). The final rule established the Tier 3 Motor Vehicle Emission and Fuel Standards program. The Tier 3 program was part of a comprehensive approach to reducing the impacts of motor vehicles on air quality and public health. The program considered the vehicle and its fuel as an integrated system, setting new vehicle emissions standards and a new gasoline sulfur standard beginning in 2017. The vehicle emissions standards were expected to reduce both tailpipe and evaporative emissions from passenger cars, light-duty trucks, medium-duty passenger vehicles, and some heavy-duty vehicles. The gasoline sulfur standard were expected to enable more stringent vehicle emissions standards and will make emissions control systems more effective. This new entry in the regulatory agenda announces that EPA will review this action pursuant to section 610 of the Regulatory Flexibility Act (5 U.S.C. 610) to determine if the provisions that could affect small entities should be continued without change or should be rescinded or amended to minimize adverse economic impacts on small entities. As part of this review, EPA will consider and solicit comments on the following factors: (1) The continued need for the rule; (2) the nature of complaints or comments received concerning the rule; (3) the complexity of the rule; (4) the extent to which the rule overlaps, duplicates, or conflicts with other Federal, State, or local government rules; and (5) the degree to which the technology, economic conditions or other factors have changed in the area affected by the rule.