An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Fuels Registration, Reporting, and Compliance Help

For consumers with a 2007 vehicle how will they be educated to look for sulfur content at a station to prevent inadvertent use of 500 ppm?

The fuel regulations require that all fuel pumps be labeled to inform the user which fuel they are dispensing into their vehicle. These labels will state which engines/vehicles that the specific fuel is suitable for use in. There will also be labels on the 2007 engines, per § 86.007-35, stating which fuel should be used.

Question and Answer was originally posted at Questions and Answers on the Clean Diesel Fuel Rules (PDF)(135 pp, 888 K, EPA420-B-06-010, July 2006, About PDF)