News

June 08, 2011

Standards of Performance for Stationary Compression Ignition and Spark Ignition Internal Combustion Engines

ENVIRONMENTAL PROTECTION AGENCY
40 CFR Parts 60, 1039, 1042, 1065, 1068
[EPA-HQ-OAR-2010-0295, FRL-XXXX-Y ]
RIN 2060-AP67
Standards of Performance for Stationary Compression Ignition and Spark Ignition Internal Combustion Engines
AGENCY: The Environmental Protection Agency (EPA).
ACTION: Final rule.
SUMMARY: The EPA is finalizing revisions to the standards of performance for new stationary compression ignition internal combustion engines under section 111(b) of the Clean Air Act. The final rule requires more stringent standards for stationary compression ignition engines with displacement greater than or equal to 10 liters per cylinder and less than 30 liters per cylinder, consistent with recent revisions to standards for similar mobile source marine engines. In addition, the action revises the requirements for engines with displacement at or
This document is a prepublication version, signed by EPA Administrator, Lisa P. Jackson on 06/08/2011.
We have taken steps to ensure the accuracy of this version, but it is not the official version.
Page 2 of 126
above 30 liters per cylinder to align more closely with recent standards for similar mobile source marine engines, and for engines in remote portions of Alaska that are not accessible by the Federal Aid Highway System. The action also provides additional flexibility to owners and operators of affected engines, and corrects minor mistakes in the original standards of performance. Finally, the action makes minor revisions to the standards of performance for new stationary spark ignition internal combustion engines to correct minor errors and to mirror certain revisions finalized for compression ignition engines, which provides consistency where appropriate for the regulation of stationary internal combustion engines. The final standards will reduce nitrogen oxides by an estimated 1,100 tons per year, particulate matter by an estimated 38 tons per year, and hydrocarbons by an estimated 18 tons per year in the year 2030.
DATES: This final rule is effective on [INSERT DATE 60 DAYS AFTER PUBLICATION IN THE FEDERAL REGISTER].
ADDRESSES: The EPA has established a docket for this action under Docket ID No. EPA-HQ-OAR-2010-0295. The EPA also relies on materials in Docket ID Nos. EPA-HQ-OAR-2005-0029 and EPA-HQ-OAR-2003-0190, and incorporates those dockets into the record for this final rule. All documents in the docket are listed on the
This document is a prepublication version, signed by EPA Administrator, Lisa P. Jackson on 06/08/2011.
We have taken steps to ensure the accuracy of this version, but it is not the official version.
Page 3 of 126
www.regulations.gov web site. Although listed in the index, some information is not publicly available, e.g., Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Certain other material, such as copyrighted material, is not placed on the Internet and will be publicly available only in hard copy form. Publicly available docket materials are available either electronically through www.regulations.gov or in hard copy at EPA Headquarters Library, Room Number 3334, EPA West Building, 1301 Constitution Ave., NW, Washington, DC. The EPA/DC Public Reading Room hours of operation are 8:30 a.m. to 4:30 p.m. Eastern Standard Time (EST), Monday through Friday. The telephone number for the Public Reading Room is (202) 566-1744, and the telephone number for the Air and Radiation Docket and Information Center is (202) 566-1742.
FOR FURTHER INFORMATION CONTACT: Ms. Melanie King, Energy Strategies Group, Sector Policies and Programs Division (D243-01), Environmental Protection Agency, Research Triangle Park, North Carolina 27711; telephone number (919) 541-2469; facsimile number (919) 541-5450; email address [email protected]
SUPPLEMENTARY INFORMATION: Background Information Document. On June 8, 2010 (75 FR 32612), the EPA proposed amendments to the standards of performance for stationary compression ignition and
This document is a prepublication version, signed by EPA Administrator, Lisa P. Jackson on 06/08/2011.
We have taken steps to ensure the accuracy of this version, but it is not the official version.
Page 4 of 126
spark ignition engines. A summary of the public comments on the proposal and the EPA’s responses to the comments, as well as the Economic Impact and Small Business Analysis Report, are available in Docket ID No. EPA–HQ–OAR–2010–0295.

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