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United States Environmental Protection Agency
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Compliance and Fuel Economy Data for Vehicles and Engines
Emission Test Data & Engine Certification
Annual Certification Data for Vehicles, Engines, and Equipment
Heavy-Duty Manufacturer-Run In-Use Testing Data
Light-Duty Manufacturer-Run In-Use Testing Data
Fuel Economy Test Data
Data on cars used for testing fuel economy
Reports on cars used for testing fuel economy
Test data for annual Fuel Economy Guide
