Final Rule for Control of Emissions of Air Pollution From New Marine Compression Ignition Engines at or Above 37 kW

On this page:

• Rule Summary
• Rule History
• Additional Resources

Rule Summary

EPA issued a final rule with first-time standards for new marine diesel engines. We refer to these as Tier 2 standards to recognize that standards already apply internationally under MARPOL Annex VI.

• Final Rule (pdf) (601 KB, published December 29, 1999)
• Regulatory Impact Analysis (pdf) (889 KB, EPA420-R-99-026, November 1999)
• Summary and Analysis of Comments (pdf) (370 KB, EPA-420-R-99-028, November 1999)

Rule History

• Proposed Rule and Related Materials

Additional Resources

Fact Sheet

• Emission Standards for New Commercial Marine Diesel Engines (pdf) (8.7 KB, EPA420-F-99-043, November 1999)

Technical Support Documents

• In-Use Marine Diesel Fuel (pdf) (102 KB, EPA420-R-99-027, August 1999)
• Incremental Cost Estimates for Marine Diesel Engine Technology Improvements​ (pdf) (1.15 MB, EPA420-R-98-021, September 1998)
• Emission Standards for Marine Diesel Engines: Scope of Application (pdf) (29.6 KB, EPA420-F-00-006, February 2000)