| 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 |
| 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 |
Date Modified |
| 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 |
| Control Number |
612400600 |
| Cataloging Source |
NTIS/MT |
| Origin |
NTIS |
| Type |
CAT |
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