Author(s)

I. De Vlieger, VITO

Abstract

In 1996 on-board measurements were performed on six passenger cars. These tests were executed in the centre of Brussels under various traffic conditions. All vehicles were measured for both fuel consumption and COi emissions. Two were also measured for CO, HC and NO% emissions. The chief emphasis was put on driving in the rush hour and smooth-flowing (on Sundays) traffic. The principal aim was to obtain realistic fuel consumption and exhaust emission values for Brussels. Secondly, to gain an insight into the relationship between consumption and emissions on the one hand and the process of traffic on the other. Furthermore, the measurement results have been used to upgrade an existing microscope traffic model with a fuel consumption module. In the process of desi

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