AN EVALUATION OF FUEL CONSUMPTION MODELS
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Fuel consumption and driving pattern data collected in the Perth metropolitan area are used to evaluate standard fuel consumption models. The instantaneous extended power model yielded an average error of 7-8 percent on a link by link basis compared to errors of 10-11 percent for the 4 mode elemental model and the running speed model. A simple model developed by the local traffic authority performed with an average error of 12-13 percent and may prove for most uses to be sufficient. (Author/TRRL)