Developing a set of Fuel Consumption and Emissions Models for use in Traffic Network Modelling

Aerial photograph of road


This paper introduces the results of a research project on the pollutant emissions and fuel consumption characteristics of mixed traffic streams under different levels of congestion. The project involved extensive testing of a number of vehicles, both on-road and in the laboratory, to determine their fuel consumption and emissions characteristics under different traffic conditions. A set of m0dels for different vehicle types were then assembled, based on the hierarchical family of models for fuel consumption presented by Biggs and Akcelik (1986), which was also capable of describing vehicle emission rates. The model family consists of models at four levels, from an 'instantaneous' model for individual vehicles driven in traffic, through an 'elemental' model suitable for studies of intersection behaviour, a 'link' model suitable for transport network analysis, and a 'journey' model suitable for land use planning applications. The models for individual vehicle types may be combined to yield models for the performance of a traffic stream. These models may then be incorporated into transport network analysis performance, as tools for use in the prediction of environmental and energy impacts of road transport projects.


TAYLOR, M.A.P. and YOUNG, T.M. (1996). Developing a set of Fuel Consumption and Emissions Models for use in Traffic Network Modelling. Proceedings of the 13th International Symp. on Transportation and Traffic Theory. (Ed. J-B. Lesort). Pergamon, Elsevier Science, Oxford 1996, pp 289-314.

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