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Nonconformance Penalties
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The Clean Air Act created a path for EPA to establish a mechanism for manufacturers to pay a penalty instead of meeting current emission standards. This authority is currently limited to heavy-duty highway engines and highway motorcycles, but EPA may seek to expand the authority for setting nonconformance penalties in the future. This page includes rulemaking activities related to heavy-duty highway engines.
- Nonconformance Penalties for On-Highway Heavy-Duty Diesel Engines (published September 5, 2012)
- Fact Sheet: Nonconformance Penalties for Heavy-Duty Diesel Engines Subject to the 2010 NOx Emission Standard (PDF) (4 pp, 170K, EPA-420-F-12-049, August 2012)
- Final Rule (PDF) (39 pp, 298K)
- Final Technical Support Document (August 2012)
- Response to Comments (August 2012)
- Interim NCPs:
- Interim Final Rule (PDF) (10 pp, 281K, published January 31, 2012)
- Notice of Proposed Rulemaking (PDF) (32 pp, 401K, published January 31, 2012)
- Interim and Proposed Technical Support Document: Nonconformance Penalties for On-Highway Heavy-Duty Engines
- Final Rule: Nonconformance Penalties for 2004 and Later Model Year Heavy-Duty Diesel Engines and Vehicles (published August 8, 2002)
- Fact Sheet: Nonconformance Penalties for Heavy-Duty Diesel Engines (PDF) (4 pp, 14K, EPA420-F-02-025, August 2002)
- Final Rule (PDF) (15 pp, 262K)
- Technical Support Document (PDF) (61 pp, 193K, EPA420-R-02-021, August 2002)
- Response to Comments (PDF) (29 pp, 127K, EPA420-R-02-020)
- See NCP proposal for the proposed rule and supporting documents (published January 16, 2002)