Questions on this Website for Diesel Fuel Standards

Why is EPA transforming our websites?

EPA is transforming our websites to better meet the needs of our web visitors. 

  • Provide easier access to information about environmental issues and the work we are doing;
  • Improve EPA’s transparency and openness to our audiences;
  • Provide a single, consolidated resource for priority topics; and
  • Create more relevant content for specific audiences.

How do I locate content that has been reorganized or moved on this website?

Learn more about the new content, features and organization on the website help document for diesel fuel standards.  

Will the website address change?

Yes, website address will change based on the new name. Bookmarks linked to the old website address will be redirected to the homepage of this site. 

If I need help with this website, who should I contact? 

For help on this website, please refer to the Contact Us page.