EPA PHASE 2, 2007 EXHAUST EMISSION STANDARDS
FOR NONROAD SPARK-IGNITED ENGINES (including leafblowers)
 
 
Hydrocarbon (HC) and Oxides of Nitrogen (NOx)
 in GRAMS PER KILOWATT-HOUR]
           
 
Engine class   HC+NOx Standard
(g/kW-hr)		 
Class III (less than 20cc)           

 

 50
Class IV  (20cc – 50cc)               50
Class V   (more than 50 cc)  72 
                    
 
Note:  All leafblowers manufactured on or after January 1, 2007 meet these standards.
  Some leafblowers manufactured prior to January 1, 2007 may also meet the standards - - check with the manufacturer.