Dynamometer testing of on-road vehicles from the Los Angeles in-use emissions study
Abstract
One part of the CARB/EPA coordinated In-Use Automobile Emissions field study of 1991 carried out in the Los Angeles area was the phase to examine the operation and emissions characteristics of high emitting carbon monoxide (CO) and hydrocarbon (HC) vehicles. In the part of the study, high CO and HC emitting in-use, consumer vehicles were detected by the cross-road remote sensors and pulled over for I/M testing. Vehicles were selected from those tested on the roadside inspection for further testing on a portable dynamometer set up in a nearby park. The selected vehicles were chosen by the author and had to meet the qualifications of having good tires, no coolant leaks and no exhaust leaks. The dynamometer test took between 20 and 30 minutes and was voluntary.
- Authors:
- Publication Date:
- Research Org.:
- Environmental Protection Agency, Research Triangle Park, NC (United States). Atmospheric Research and Exposure Assessment Lab.
- OSTI Identifier:
- 5997285
- Report Number(s):
- PB-93-222297/XAB; EPA-600/A-93/197
- Resource Type:
- Technical Report
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 33 ADVANCED PROPULSION SYSTEMS; 54 ENVIRONMENTAL SCIENCES; AIR POLLUTION; FIELD TESTS; VEHICLES; CALIFORNIA; CARBON MONOXIDE; DYNAMOMETERS; EXHAUST SYSTEMS; GASEOUS WASTES; INSPECTION; LEAKS; LOS ANGELES; NITROGEN OXIDES; PORTABLE EQUIPMENT; ROAD TESTS; TIRES; US EPA; CARBON COMPOUNDS; CARBON OXIDES; CHALCOGENIDES; DEVELOPED COUNTRIES; EQUIPMENT; MEASURING INSTRUMENTS; NATIONAL ORGANIZATIONS; NITROGEN COMPOUNDS; NORTH AMERICA; OXIDES; OXYGEN COMPOUNDS; POLLUTION; TESTING; URBAN AREAS; US ORGANIZATIONS; USA; WASTES; 330700* - Advanced Propulsion Systems- Emission Control; 540120 - Environment, Atmospheric- Chemicals Monitoring & Transport- (1990-)
Citation Formats
Knapp, K T. Dynamometer testing of on-road vehicles from the Los Angeles in-use emissions study. United States: N. p., 1993.
Web.
Knapp, K T. Dynamometer testing of on-road vehicles from the Los Angeles in-use emissions study. United States.
Knapp, K T. 1993.
"Dynamometer testing of on-road vehicles from the Los Angeles in-use emissions study". United States.
@article{osti_5997285,
title = {Dynamometer testing of on-road vehicles from the Los Angeles in-use emissions study},
author = {Knapp, K T},
abstractNote = {One part of the CARB/EPA coordinated In-Use Automobile Emissions field study of 1991 carried out in the Los Angeles area was the phase to examine the operation and emissions characteristics of high emitting carbon monoxide (CO) and hydrocarbon (HC) vehicles. In the part of the study, high CO and HC emitting in-use, consumer vehicles were detected by the cross-road remote sensors and pulled over for I/M testing. Vehicles were selected from those tested on the roadside inspection for further testing on a portable dynamometer set up in a nearby park. The selected vehicles were chosen by the author and had to meet the qualifications of having good tires, no coolant leaks and no exhaust leaks. The dynamometer test took between 20 and 30 minutes and was voluntary.},
doi = {},
url = {https://www.osti.gov/biblio/5997285},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Jan 01 00:00:00 EST 1993},
month = {Fri Jan 01 00:00:00 EST 1993}
}