Six in-use vehicles were tested on a baseline gasoline and nine gasoline/ethanol blends to determine the effect of ethanol content in fuels on automotive exhaust emissions and fuel economy. The baseline gasoline was representative of average summer gasoline and served as the base from which the other fuels were blended.For the majority of the vehicles, total hydrocarbon, and carbon monoxide exhaust emissions as well as fuel economy decreased while NOx and acetaldehyde exhaust emissions increased as the ethanol content in the test fuel increased. Formaldehyde and carbon dioxide emissions were relatively unaffected by the addition of ethanol. The emission responses to the increased fuel oxygen levels were consistent with what would be expected from leaning-out the air/fuel ratio for a spark ignition engine. The results are shown graphically and a linear regression is performed utilizing the method of least squares to investigate statistically significant trends in the data.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Investigation into the Vehicle Exhaust Emissions of High Percentage Ethanol Blends


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Congress & Exposition ; 1995



    Publication date :

    1995-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Investigation into the vehicle exhaust emissions of high percentage ethanol blends

    Guerrieri,D.A. / Caffrey,P.J. / Rao,V. et al. | Automotive engineering | 1995


    Vehicle Exhaust Emissions Characterization by Chromatographic Techniques Applied to Different Gasoline-Ethanol Blends

    Paz-Estivill, S. / Delgado-Ortiz, R. / Cirera-Domenech, E. et al. | British Library Conference Proceedings | 2013


    Vehicle Exhaust Emissions Characterization by Chromatographic Techniques Applied to Different Gasoline-Ethanol Blends

    Cirera-Domènech, Elisenda / Broto-Puig, Francesc / Delgado-Ortiz, Rosa et al. | SAE | 2013


    Investigation into the Engine Performance and Exhaust Emissions of Oxygenated Blends

    Wattanavichien, K. | British Library Conference Proceedings | 1997


    Exhaust gas emissions of butanol, ethanol, and methanol-gasoline blends

    Rice, R.W. / Sanyal, A.K. / Elrod, A.C. et al. | Tema Archive | 1991