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Comparison of TRANSIMS’ Light Duty Vehicle Emissions with On-Road Emission Measurements

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  • Jeihani, Mansoureh
  • Ahn, Kyoungho
  • Hobeika, Antoine G.
  • Sherali, Hanif D.
  • Rakha, Hesham A.

Abstract

The Transportation Analysis and Simulation System, TRANSIMS, contains a vehicle emissions module that estimates tailpipe emissions for light and heavy-duty vehicles and evaporative emissions for light-duty vehicles. This paper describes and validates the TRANSIMS emission module and compares its emission estimates to on-road emission-measurements and other state-of-the-art emission models. The trend of the emissions estimated in thirteen different runs in each model are compared. The results indicate that the TRANSIMS model provides consistent trends of estimated carbon monoxide (CO) and hydrocarbons (HC) with field data trends and inconsistent trends of estimated nitrogen lxides (NOx). However, the magnitude of the emission estimated in TRANSIMS is closer to the field data than for other models.

Suggested Citation

  • Jeihani, Mansoureh & Ahn, Kyoungho & Hobeika, Antoine G. & Sherali, Hanif D. & Rakha, Hesham A., 2006. "Comparison of TRANSIMS’ Light Duty Vehicle Emissions with On-Road Emission Measurements," Journal of the Transportation Research Forum, Transportation Research Forum, vol. 45(1).
    • Handle: RePEc:ags:ndjtrf:206783
    DOI: 10.22004/ag.econ.206783
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    Keywords

    Environmental Economics and Policy;

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