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Emissions Performance of Abatement Technologies Over the Proposed EEC Extra-Urban Driving Cycle
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English
Abstract
The definition of what is likely to be the new EEC extra-urban cycle has made it possible to determine the emission characteristics of cars fitted with different emissions control equipment. Central part of the evaluation programme were three versions of experimental lean and dilute burn engines in comparison with engine modifications and open and closed loop three-way catalyst systems.
It is concluded that both lean or dilute burn plus an oxidation catalyst and the closed loop threeway catalyst can lead to sizeable reduction of emissions. The former being clearly superior in CO-emissions, the latter holding this position in NOx-emissions.
It is speculated that the ultimate clean gasoline engine is to be composed of the two systems.
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Citation
van Beckhoven, L. and Rijkeboer, R., "Emissions Performance of Abatement Technologies Over the Proposed EEC Extra-Urban Driving Cycle," SAE Technical Paper 890586, 1989, https://doi.org/10.4271/890586.Also In
References
- SAE publication 850387 Air pollution by road traffic-Problems and solutions in the European context February 1985 Detroit, USA
- SAE publication 871077 An appraisal of the proposals for the further development of EEC-legislation on automative emissions May 1987 Washington B.C., USA
- EAEC conference Emissions control and fuel economy trade-off - an analysis of design and operating factors June 1987 Strasbourg, France
- Presentation to the EEC High level policy group 12 November 1984 Brussels
- MVEG Establishment of European exhaust emission standards for the vehicle category 1.4-2.0 litre 29th April 1985 Brussels
- MVEG Emission standards for the category smaller than 1.4 litre 9th February 1987 Brussels
- Draft MVEG-proposal for an extra-urban driving cycle August 1987 Brussels