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  2. Regulations for Emissions from Vehicles and Engines

Final Rule for Regulation of Fuels and Fuel Additives: Modifications to the Transmix Provisions Under the Diesel Sulfur Program

Final Rule for Regulation of Fuels and Fuel Additives: Modifications to the Transmix Provisions Under the Diesel Sulfur Program
Basic Information
Code of Federal Regulations Citations
  • 40 CFR Part 80

On this page:

  • Rule Summary
  • Additional Resources

Rule Summary

These amendments will reinstate the ability of locomotive and marine diesel fuel produced from transmix by transmix processors and pipeline operators to meet a maximum 500 parts per million (ppm) sulfur standard outside of the Northeast Mid- Atlantic Area and Alaska and expand this ability to within the Northeast Mid- Atlantic Area provided that: the fuel is used in older technology locomotive and marine engines that do not require 15 ppm sulfur diesel fuel, and the fuel is kept segregated from other fuel.

  • Final Rule (pdf) (280 KB, published December 26, 2012)

Additional Resources

  • Fact Sheet: EPA Finalizes Modifications to the Transmix Provisions Under the Diesel Sulfur Program (pdf) (143 KB, EPA-420-F-12-081, December 2012)

Regulations for Emissions from Vehicles and Engines

  • Onroad
    • Passenger Vehicles
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  • Nonroad
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  • Greenhouse Gas
Contact Us About Regulations for Emissions from Vehicles and Engines
Contact Us About Regulations for Emissions from Vehicles and Engines to ask a question, provide feedback, or report a problem.
Last updated on May 15, 2025
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