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EPA/AR

RIN: 2060-AM34

Publication ID: Spring 2008

Title: Control of Emissions From Nonroad Spark-Ignition Engines and Equipment
Abstract: In this rulemaking, EPA is promulgating exhaust emission standards for new nonroad spark-ignition engines that will substantially reduce emissions from these engines. The standards would apply starting in 2009 for new marine spark-ignition engines, including first-time EPA standards for sterndrive and inboard engines. The standards would apply starting in 2011 and 2012 for different sizes of new land-based, spark-ignition engines at or below 19 kilowatts (kW), which is equivalent to about 25 horsepower. These small engines are used primarily in lawn and garden applications. We are also promulgating evaporative emission standards for vessels and equipment using any of these engines. Nationwide, these emission sources contribute to ozone, carbon monoxide (CO), and particulate matter (PM) nonattainment. We estimate that by 2030, this rule would result in significantly reduced pollutant emissions from regulated engine and equipment sources, including estimated annual nationwide reductions of 631,000 tons of volatile organic hydrocarbon emissions, 98,200 tons of NOx emissions, and 6,300 tons of direct particulate matter (PM2.5) emissions. These reductions correspond to significant reductions in the formation of ground-level ozone. We would also expect to see annual reductions of 2,690,000 tons of carbon monoxide emissions, with the greatest reductions in areas where there have been problems with individual exposures. The requirements in this rule will substantially benefit public health and welfare and the environment. We estimate that by 2030, the rule's emission reductions would annually prevent 450 PM-related premature deaths, approximately 500 hospitalizations, and 52,000 work days lost. The total estimated annual benefits of the rule in 2030 would be $3.4 billion. Estimated costs in 2030 would be many times less at $240 million.
Agency: Environmental Protection Agency(EPA)	Priority: Economically Significant
RIN Status: Previously published in the Unified Agenda	Agenda Stage of Rulemaking: Final Rule Stage
Major: Yes	Unfunded Mandates: No
CFR Citation: 40 CFR 90 40 CFR 91
Legal Authority: 42 USC 7521 to 7601(a)

Legal Deadline:

Action	Source	Description	Date
NPRM	Statutory		12/01/2004
Final	Statutory		12/31/2005

Timetable:

Action	Date	FR Cite
NPRM	05/18/2007	72 FR 28098
Final Action	06/00/2008

Additional Information: SAN No. 4882; EPA publication information: NPRM - http://a257.g.akamaitech.net/7/257/2422/01jan20071800/edocket.access.gpo.gov/2007/pdf/07-1998.pdf; ; EPA Docket information: EPA-HQ-OAR-2004-0008
Regulatory Flexibility Analysis Required: Yes	Government Levels Affected: None
Small Entities Affected: Businesses	Federalism: No
Included in the Regulatory Plan: Yes
RIN Data Printed in the FR: Yes
Agency Contact: Glenn Passavant Environmental Protection Agency Air and Radiation 2000 Traverwood Dr., Ann Arbor, MI 48105 Phone:734 214-4408 Fax:734 214-4816 Email: Passavant.Glenn@epamail.epa.gov