Proposed Rule and Related Materials for Procedures for Testing Highway and Nonroad Engines and Omnibus Technical Amendments

Rule Summary

Following is information for the proposed rule for Procedures for Testing Highway and Nonroad Engines and Omnibus Technical Amendments.

• Proposed Rule (pdf) (1.89 MB, published September 10, 2004)

Related Materials

• Fact Sheets: Proposed Changes to Test Procedures for Nonroad Engines and Heavy-duty Highway Engines (pdf) (95.2 KB, EPA420-F-04-046, August 2004)
• Draft Technical Support Document: Test Procedures for Highway and Nonroad Engines and Omnibus Technical Amendments (pdf) (551 KB, EPA420-D-04-004, August 2004)