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United States Fuel efficiency standards Clear all

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Greenhouse Gas Emissions Standards for Heavy-Duty Engines and Vehicles-Phase 3
United States 2027 In force National
Multi-Pollutant Emissions Standards for Model Years 2027 and Later LightDuty and Medium-Duty Vehicles
United States 2027 In force National
Corporate Average Fuel Economy Standards for Model Years 2024-2026 Passenger Cars and Light Trucks
United States 2022 In force National
The Safer Affordable Fuel Efficient (SAFE) Vehicles Final Rule for Model Years 2021-2026
United States 2021 Ended National

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