Heavy-Duty Engines and Vehicles, including Urban Buses, and Engines Used in Diesel or Incomplete Medium-Duty Vehicles of 8,501-14,000 Pound GVWR Executive Orders - 2020

New Executive Orders added August 28, 2018

Listed below are links to the Executive Orders for Heavy-Duty Engines and Vehicles, including Urban Buses, and Engines Used in Diesel or Incomplete Medium-Duty Vehicles of 8,501-14,000 Pound GVWR for the 2020 model year.  To resort alphabetically or by date, please click on the header "Executive Orders" or "Modified."

File name of Executive Orders for Heavy-Duty Engines and Vehicles, including Urban Buses, and Engines Used in Diesel or Incomplete Medium-Duty Vehicles of 8,501-14,000 Pound GVWR:  Manufacturer_Category 1B_EO Number_All Engine Displacements (in liters)_NMHC+NOX (or NOx) and PM (in that order) Standards or FELs (in g/bhp-hr)_Non Diesel or Non Gasoline Fuel 3.  Click HERE for an explanation of the information displayed in the file name of Executive Orders.

Executive OrdersModified

On-Road New Vehicle & Engine Certification Program

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