Emissions And Fuel Consumption Of Natural Gas
Powered City Buses Versus Diesel Buses In Real-
City Traffic
Author(s)
L. Pelkmans, D. De Keukeleere & G. Lenaers
Abstract
In the frame of the 1EA-AMF project "Real Impact of New Technologies for
Heavy Duty Vehicles", three state-of-the-art city bus technologies were
evaluated for fuel consumption and emissions in real city traffic and in a number
of test cycles, both on engine and on vehicle level. The three buses were a diesel
bus, a natural gas bus with stoichiometric fuel control and three-way catalyst,
and a natural gas bus with lean burn fuel control.
The paper will compare fuel consumption and emissions of the three buses
measured in real-city traffic using Vito's VOEM measurement system. The
measurements showed that the natural gas buses had clearly higher fuel
consumption (in diesel equivalents) than the diesel bus, caused by the lower
average engine efficiency.
Keywords
Related Book
Other papers in this volume
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