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

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.

• Proposed Rule (PDF)(306 pp, 10 MB, November 30, 2010)

Related Materials

Fact Sheets

• EPA and NHTSA Propose First-Ever Program to Reduce Greenhouse Gas Emissions and Improve Fuel Efficiency of Medium- and Heavy-Duty Vehicles: Regulatory Announcement (PDF)(9 pp, 572 K, EPA-420-F-10-901, October 2010)

Draft Regulatory Impact Analysis

• Proposed Rulemaking to Establish Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles (PDF)(391 pp, 5 MB, EPA-420-D-10-901, October 2010)