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Air Quality and Vehicle Emission Standards: An Overview of the National Low Emission Vehicle Program and Related Issues
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This report provides background information on federal emission standards for motor vehicles under the Clean Air Act and stricter standards originally developed to address the severity of air quality problems in California, explains the low emission standards and flexible compliance mechanisms to which states and manufacturers have voluntarily agreed under the National Low Emission Vehicle (LEV) Program, discusses the Environmental Protection Agency's (EPA) estimates of the program's air quality benefits and costs, and examines regulatory issues related to its implementation including sulfur levels in gasoline and the relative stringency of emission standards for light trucks.