• Related Information

  Final Rule and Related Materials for Nonconformance Penalties for On-Highway Heavy-Duty Diesel Engines

  Proposed Rule (PDF) (14 pp, 401 K, published January 31, 2012)

Additional Resources

• Interim and Proposed Technical Support Document (PDF) (51 pp, 1 MB, EPA-420-R-12-004, published January 2012)
• Interim Final Rule (PDF) (10 pp, 281K, published January 31, 2012)