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Emissions Patterns of Diesel-Powered Passenger Cars
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Abstract
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.
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Citation
Braddock, J. and Bradow, R., "Emissions Patterns of Diesel-Powered Passenger Cars," SAE Technical Paper 750682, 1975, https://doi.org/10.4271/750682.Also In
References
- Springer, K.J. Ashby, H.A. “The Low Emission Car for 1975-Enter the Diesel,” Paper No. 739133 8th Annual Intersociety Energy Conversion Conference Philadelphia, Pa. August 13-16 1973
- Springer, K.J. “An Investigation of Diesel-Powered Vehicle Emissions” Final Report on EPA Contract No. PH22-68-23
- Bradow, R.L. “Light-Duty Diesel Exhaust Emissions” EPA In-House report
- Bradow, R.L. Carpenter, D.A. Klosterman, D. Black, F. Tejada, S. “Sulfate Emissions from Catalyst and Non-Catalyst Cars” SAE paper No. 740528 October 1974
- EPA publication 999-AP-11 “Ambient Air Analytical Methods”
- Hurn, R.W. Marshall, W.F. “Techniques for Diesel Emissions Measurement” SAE mid-year meeting Chicago, Illinois June 1968
- Landen, E.W. Perez, J.M. “Some Diesel Exhaust Reactivity Information Derived by Gas Chromatography” SAE Paper No. 740530 SAE Vehicle and Fuels and Lubricants Meeting Chicago, Illinois June 1974
- Homann, Klas Proc. Roy. Soc., A 307 l41 152 1968