Browse Publications Technical Papers 2001-28-0068
2001-11-01

Fuel Consumption and Exhaust Emissions of Diesel, Gasoline and Natural Gas Fuelled Vehicles 2001-28-0068

With regard to increasingly stringent emission legislation natural gas is gaining interest as an alternate fuel. Concerning mobile application natural gas is often considered to produce potentially lower exhaust emissions compared to diesel and gasoline fuel. Nevertheless, also the exhaust gas of diesel and gasoline fuelled vehicles will be improved by applying advanced technical solutions.
The paper reveals the state-of-the-art in exhaust emission behaviour of diesel, gasoline, liquified petroleum gas and natural gas fuelled vehicles. Passenger cars and light-duty trucks will be considered as well as HD-trucks. Emissions include NOx, THC, NMHC, CO, Aldehydes and PAH. In addition CH4 and CO2 emissions are discussed with respect to increasing concern about the greenhouse effect.
From the viewpoint of the HD-engines the alternate fuels Dimethylether (DME) and Diesel/water-Emulsion are also considered.

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