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OLS Field Name OLS Field Data
Main Title Development of On-Road Emission Factors for Heavy-Duty Vehicles.
Author Harris, D. B. ; King, F. G. ; Brown, E. ;
CORP Author Acurex Environmental Corp., Research Triangle Park, NC.;National Risk Management Research Lab., Research Triangle Park, NC.
Publisher 1995
Year Published 1995
Report Number EPA-68-04-0005; EPA/600/A-95/138;
Stock Number PB96-139019
Additional Subjects Heavy duty vehicles ; Emission factors ; Diesel engines ; Trucks ; Mobile pollutant sources ; Engine dynamometers ; Chassis dynamometers ; Acceleration ; Velocity measurement ; Road slope ; Driving style effect on exhaust emissions ; Weight ; Vehicle air pollution ; Mathematical models ; Reprints ;
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB96-139019 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 05/18/1996
Collation 8p
Abstract The paper discusses an EPA project the objectives of which are to: (1) define on-road emissions from heavy-duty diesel vehicles (HDDVs); (2) assess agreement between engine and chassis dynamometers and on-road emission factors; (3) evaluate current conversion factors for dynamometer data and develop appropriate ones if needed; and (4) develop a model emissions model. The experimental approach involves on-road tests that develop the model data necessary to model the emissions as a function of speed, load, grade, and acceleration. These data are fitted to routes representing trans-urban interstate travel, terminal entry/exit, and urban delivery. A final test sequence utilizes a certification cycle that has been adapted to suit actual truck operational capability to develop data for direct comparison with the dynamometer data.
Supplementary Notes Presented at the 1995 Diesel Engine Emissions Workshop, San Diego, CA., July 24, 1995. Sponsored by National Risk Management Research Lab., Research Triangle Park, NC.
NTIS Title Notes Rept. for Mar 94-Jul 95.
Title Annotations Reprint: Development of On-Road Emission Factors for Heavy-Duty Vehicles.
Category Codes 68A; 81J; 85H
NTIS Prices PC A02/MF A01
Primary Description 600/13
Document Type NT
Cataloging Source NTIS/MT
Control Number 612400600
Origin NTIS
Type CAT