| Main Title |
Empirical Model of Vehicle Emissions. |
| Author |
Pitchford, M. ;
Johnson, B. ;
|
| CORP Author |
Nevada Univ., Las Vegas. Dept. of Chemistry.;Environmental Monitoring Systems Lab., Las Vegas, NV.;National Oceanic and Atmospheric Administration, Rockville, MD. |
| Publisher |
c1993 |
| Year Published |
1993 |
| Report Number |
EPA/600/J-93/201; |
| Stock Number |
PB93-199602 |
| Additional Subjects |
Air pollution monitoring ;
Exhaust emissions ;
Motor vehicles ;
Hydrocarbons ;
Carbon monoxide ;
Measurement ;
Emission factors ;
Reprints ;
Empirical models
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB93-199602 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
10p |
| Abstract |
An empirical model that characterizes the relationship between equilibrium vehicle emission distributions and malfunction, repair, and replacement rates by splitting vehicles into two emission categories has been developed. Gross emitters and clean vehicles are defined by the magnitude of their emissions compared to an arbitrarily chosen cut point. The model is used to predict emission changes resulting from changes in any of the three rates, by determining the new equilibrium distribution of vehicles. The emission cut point for repair is shown to establish the cost per ton of reduction, and the maximum emission reduction limit (i.e., all vehicles in the clean category), while the frequency of repair determines the amount of emission reduction up to the cut-point determined limit. (Copyright (c) 1993 American Chemical Society.) |
| Supplementary Notes |
Pub. in Environmental Science and Technology, v27 n4 1993. Sponsored by Environmental Monitoring Systems Lab., Las Vegas, NV., and National Oceanic and Atmospheric Administration, Rockville, MD. |
| NTIS Title Notes |
Journal article. |
| Title Annotations |
Reprint: Empirical Model of Vehicle Emissions. |
| Category Codes |
68A; 85H |
| NTIS Prices |
PC A02/MF A01 |
| Primary Description |
600/07 |
| Document Type |
NT |
| Cataloging Source |
NTIS/MT |
| Control Number |
321821800 |
| Origin |
NTIS |
| Type |
CAT |
