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Emissions Patterns of Diesel-Powered Passenger Cars
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 1, 1975 by SAE International in United States
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The gaseous and particulate emissions from a light-duty diesel powered passenger car were measured by a variety of chemical analysis techniques for three different fuels, typical No. 1 and No. 2 commercial diesel fuels and the Federal Register No. 2-D smoke test fuel. Hydrocarbon emissions were found to be inversely related to fuel molecular weight. The NO2/NO ratio was found to be much higher than for gasoline engines approaching 0.3 at low load. Particulate emissions were approximately 0.3 grams/mile for all fuels and driving cycles tested. Sulfate emissions were high, approaching that of some catalyst cars. Sulfate emissions decreased with decreasing fuel sulfur and increased by a factor of two in highway driving over urban driving. The potential pollution problems with such cars are worthy of further study.
CitationBraddock, J. and Bradow, R., "Emissions Patterns of Diesel-Powered Passenger Cars," SAE Technical Paper 750682, 1975, https://doi.org/10.4271/750682.
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- EPA publication 999-AP-11, “Ambient Air Analytical Methods”.
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- Elemental analyses were performed by Galbraith Laboratories, Inc., P.O. Box 4178, Knoxville, Tennessee 37921