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Modeling and MOBILE6: Spatial Allocation of Mobile Source Emissions
| Project Period: | 03/06/2003 - 09/05/2003 |
| Total Budget: | $52,957 |
| Sub-Contractors: | ENVIRON - Alison Pollack ($52,957)
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 Adobe PDF (99 KB) Adobe PDF (1.25 MB)
DFW uses a zonal approach rather than a linked-based approach for allocation emissions. EPA's latest onroad mobile emission factor model, MOBILE6, shows evaporative emissions increasing in significance as exhaust emissions are being reduced over time. Thus the ratio of evaporative to exhaust emissions using MOBILE6 is much higher than using MOBILE5 in future year modeling. The objective of this project is to determine the impacts upon modeling results associated with the two allocation approaches, including the effects of recent updates in the emissions modeling tool, MOBILE. The results of this study will be useful both in understanding the accuracy of existing modeling results and in the selection of modeling methodology for future inventories. The DFW area will be used for the study and it could have implications for how Houston mobile source emissions are allocated.
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| Page Updated/Reviewed: 05/23/2006 4:10 PM |
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© 2005 - 2008 Texas Environmental Research Consortium
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