||Nonroad spark-ignition engine emission deterioration factors : NR-011c /
||United States. Environmental Protection Agency. Office of Transportation and Air Quality. Assessment and Standards Division,
|| U.S. Environmental Protection Agency, Air and Radiation,
Spark ignition engines--Exhaust gas--United States ;
Vehicles--Motors--Exhaust gas--United States ;
Off-road vehicles--Environmental aspects--United States
Spark ignition engine ;
Exhaust emissons ;
Marine engines ;
Diesel engines ;
US EPA ;
Air pollution ;
||PDF file on file
||NVFEL Library/Ann Arbor, MI
||Some EPA libraries have a fiche copy filed under the call number shown.
||1 online resource ( pages) : illustrations
This report addresses the emission deterioration rates for spark-ignition engines used in the final NONROAD2005 model. The specific deterioration inputs used in NONROAD and their basis will be addressed for land-based spark-ignition engines at or below 25 horsepower, land-based spark-ignition engines over 25 horsepower, and recreational marine spark-ignition engines using gasoline. Deterioration is also addressed for land-based liquid petroleum gas (LPG) and compressed natural gas engines (CNG). Deterioration inputs for compression-ignition (diesel) engines are addressed in the report, Exhaust Emission Factors for Nonroad Engine Modeling - Compression Ignition (NR-009c). The EPA welcomes comments and suggestions concerning our approach to modeling nonroad engine emissions deterioration.
Title from PDF title screen (viewed on August 15, 2015). "EPA 420-R-05-023." "December 2005." Supersedes EPA 420-P-04-011. Includes bibliographical references (pages 12-13).