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 www.epa.gov. 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 This website is no longer updated and links to external websites and some internal pages may not work.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 »

Implementation Tools: NSPS for Spark Ignition Internal Combustion Engines

Below are tools and guidance documents to help you comply with the New Source Performance Standards for Stationary Spark Ignition Internal Combustion Engines.

  • Regulation Navigation Tool
    Note: EPA is currently updating the Regulation Navigation tools due to the loss of the functionality of Adobe Flash Player. New versions will be available soon.
    • ICE NSPSThe Reg Nav tool helps owners and operators of  stationary spark ignition internal combustion engines determine requirements for NSPS Subpart JJJJ.  Reg Nav tools are online and interactive, and use the information entered to assess potential regulatory requirements. 
  • Summary Tables
  • Webinars and Presentations