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EPA/AR RIN: 2060-AE29 Publication ID: Spring 1999 
Title: Nonroad Spark-Ignition Engines At or Below 19 Kilowatts (25 Horsepower) (Phase 2) 
Abstract: This action will establish the second phase of emissions standards for new nonroad spark-ignition engines at or below 19 kilowatts (25 horsepower), as required by section 213(a)(3) of the Clean Air Act, as amended. The Environmental Protection Agency (EPA) had been developing the second phase of small-engine regulations through a negotiated rulemaking, with representation by engine manufacturers, equipment manufacturers, emissions control manufacturers, equipment dealers, environment and public health interests, and State air programs. The negotiations came to an end on February 16, 1996 with no consensus reached. EPA will now develop the rulemaking through other means. The affected engines are used in lawn, garden, and utility equipment, such as lawnmowers, string trimmers, chain saws, and small pumps and generators. The first phase was established July 3, 1995 (60 FR 34582), effective for the 1997 model year, and was very similar to the tier 1 small-engine regulations developed by California for the same engines. Regulated pollutants are hydrocarbons, carbon monoxide, and oxides of nitrogen. 
Agency: Environmental Protection Agency(EPA)  Priority: Other 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   
Legal Authority: 42 USC 7547 CAA sec 213   
Timetable:
Action Date FR Cite
ANPRM  03/27/1997  62 FR 14740   
NPRM Hand-held engines  01/27/1998  63 FR 3950   
NPRM Non-hand-held engines  06/30/1998  63 FR 3950   
Final Action Hand-held engines  04/00/1999    
Final Action Non-hand-held engines  03/00/2000    
Additional Information: SAN No. 3361
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal 
Small Entities Affected: Businesses 
Included in the Regulatory Plan: Yes 
Agency Contact:
Betsy McCabe
Environmental Protection Agency
Air and Radiation
NFEVL,
Ann Arbor, MI 48105
Phone:734 241-4344