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Transportation and Climate

Regulations & Standards: Light-Duty

passenger vehicles in a traffic flow
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EPA and NHTSA have been working together on developing a National Program of harmonized regulations to reduce greenhouse gas emissions and improve fuel economy of light-duty vehicles. The agencies issued a Final Rulemaking establishing standards for 2012-2016 model year vehicles on April 1, 2010. The agencies also issued a Final Rulemaking with standards for model years 2017-2025 on August 28, 2012.

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