An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Fuels Registration, Reporting, and Compliance Help

Overview of Diesel Fuel Testing and Reporting

  • After 2010, all highway diesel fuel supplied to the market be Ultra Low Sulfur Diesel (ULSD) and all highway diesel vehicles must use ULSD; and 
  • After 2014, all nonroad, locomotive, and marine (NRLM) diesel fuel must be ULSD, and all NRLM engines and equipment must use this fuel (with some exceptions for older locomotive and marine engines).

Resubmitting Diesel Reports

Diesel programs no longer require quarterly or annual report submissions. 

To download forms for resubmission, click the following link or the tab above: