Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Exhaust emissions and fuel consumption of a heavy-duty gasoline powered vehicle over various driving cycles : 427 cubic inch 1977 California GMC 6500 /
Author Nash, Richard.
CORP Author Environmental Protection Agency, Ann Arbor, MI. Standards Development and Support Branch.
Publisher U.S. Environmental Protection Agency, Office of Air and Waste Management, Office of Mobile Source Air Pollution Control, Emission Control Technology Division, Standards Development and Support Branch,
Year Published 1978
Report Number HDV 78-09
Stock Number PB-293 530
OCLC Number 705386103
Subjects Air--Pollution--Measurement. ; Automobiles--Fuel consumption. ; Automobiles--Motors--Exhaust gas--Mathematical models. ; Trucks--Fuel consumption--Mathematical models. ; Traffic engineering--Mathematical models. ; GMC trucks.
Additional Subjects Air pollution ; Exhaust emissions ; Fuel consumption ; Dynamometers ; Sensitivity ; Tests ; Gasoline ; Heavy duty vehicles
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
ELCD  EPA HDV-78-09 NVFEL Library/Ann Arbor, MI 03/07/2011
NTIS  PB-293 530 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation [ii], 34, [5] : charts ; 28 cm.
This report presents exhaust emission and fuel economy measurements for one heavy-duty gasoline fueled vehicle operated over various driving cycles. These driving cycles were developed from actual in-use operational data collected in New York and Los Angeles under the CAPE-21 program. In each location, both freeway and non-freeway operational parameters were recorded. A data matrix (relating speed, acceleration and frequency of occurrance) was prepared for each city and class of operation. Several different cycles were generated for each matrix. Evaluation of the concept of chassis testing for heavy-duty vehicles were the major purpose of this project. The test program was designed to measure the sensitivity of exhaust emissions and fuel economy to the various driving cycles and road load conditions. In addition, a brief attempt was made to characterize cold start emissions and the effects of increased vehicle frontal area. Three of the fully transient cycles were 'linearized' (steady state cruises and constant accelerations) to see if a simpler type of transient operation could accurately predict fuel economy. Finally, experiments were undertaken to measure the instantaneous exhaust dilution ration in order to assess the adequacy of the CVS flow rate.
Cover title. "HDV 78-09." "August, 1978." Technical report.