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Regulations for Emissions from Vehicles and Engines

Proposed Rule and Related Materials for Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles

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Rule Summary

EPA and NHTSA, on behalf of the Department of Transportation, each proposed rules to establish a comprehensive Heavy-Duty National Program to reduce greenhouse gas emissions and increase fuel efficiency for onroad heavy-duty vehicles, in response to the President’s directive on May 21, 2010 to take coordinated steps to produce a new generation of clean vehicles.

Related Materials

Fact Sheets

Draft Regulatory Impact Analysis

Regulations for Emissions from Vehicles and Engines Home