Effect of ethanol–gasoline blends on CO and HC emissions in last generation SI engines within the cold-start transient: An experimental investigation

Paolo Iodice, Adolfo Senatore, Giuseppe Langella and Amedeo Amoresano

Applied Energy, 2016, vol. 179, issue C, 182-190

Abstract: Urban areas in developed countries are characterized by an increasing decline in air quality state mainly due to the exhaust emissions from vehicles. Besides, due to catalyst improvements and electronic mixture control of last generation engines, nowadays CO and HC cold start extra-emissions are heavily higher than emissions exhausted in hot conditions, with a clear consequence on air quality of the urban contexts. Ethanol combined with gasoline can be widely used as an alternative fuel due to the benefit of its high octane number and its self-sustaining characteristics. Ethanol, in fact, is well known as potential alcohol alternative fuel for SI engines, since it can be blended with gasoline to increase oxygen content, then decreasing CO and HC emissions and the depletion of fossil fuels.

Keywords: Air pollution; Ethanol–gasoline blends; SI engine; Cold start transient; Exhaust emissions; Motorcycle emissive behaviour (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (31)

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DOI: 10.1016/j.apenergy.2016.06.144

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