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Reformulated Gasoline Effects on Exhaust Emissions: Phase III; Investigation on the Effects of Sulfur, Olefins, Volatility, and Aromatics and the Interactions Between Olefins and Volatility or Sulfur
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 01, 1995 by SAE International in United States
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A vehicle test program was conducted at the Environmental Protection Agency's National Vehicle and Fuel Emissions Laboratory to provide data on the relationship between fuel properties and exhaust emissions of nonmethane hydrocarbons (NMHC), NOx, and CO. This study, Phase III, is the third in a series of programs sponsored by the Agency. This Phase III program consisted of 19 light-duty high and normal emitting vehicles tested on 10 different fuels. The properties for each test fuel were specified in order to examine seven separate fuel effects on exhaust emissions; interactions between olefins and volatility, interactions between olefins and sulfur, very high and very low levels of sulfur, low levels of aromatics, low volatility, and low levels of olefins. For all of the fuels tested, the normal emitter vehicles produced greater percentage reductions than the high emitters. The data in this work showed lower NMHC emission reduction than predicted by the complex model. The results indicate that the complex model may exaggerate impacts on NOx emissions from these fuels. No significant interactive effect between olefins and RVP or between olefins and sulfur was found.
CitationKorotney, D., Rao, V., Lindhjem, C., and Sklar, M., "Reformulated Gasoline Effects on Exhaust Emissions: Phase III; Investigation on the Effects of Sulfur, Olefins, Volatility, and Aromatics and the Interactions Between Olefins and Volatility or Sulfur," SAE Technical Paper 950782, 1995, https://doi.org/10.4271/950782.
- AQIRP 1990 ‘Technical Bulletin No. 1;Initial Mass Exhaust Emissions Results from Reformulated Gasolines’ Coordinating Research Council Atlanta, GA
- EPA 1994 ‘Regulation of Fuels and Fuel Additives; Standards for Reformulated and Conventional Gasoline; Fuel Rule’ Federal Register 59 32 February 16 7716 7878
- Mayotte, S.C. Lindhjem, C.E. Rao, V. Sklar, M.K. 1994 ‘Reformulated Gasoline Effects on Exhaust Emissions: Phase I; Initial Investigation of Oxygenate, Volatility, Distillation, and Sulfur Effects’ SAE- 941973 October
- Mayotte, S.C. Lindhjem, C.E. Rao, V. Sklar, M.K. 1994 ‘Reformulated Gasoline Effects on Exhaust Emissions: Phase II; Continued Investigation of Fuel Oxygen Content, Oxygenate Type, Volatility, Sulfur, Olefins, and Distillation Parameter Effects’ SAE- 941974 October