This paper attempts an experimental evaluation of various diesel/biodiesel blends as automotive fuels for passenger cars. Being at the forefront of the European biofuels policy, fatty acid methyl esters (biodiesel) are continuously increasing their share in the European automotive fuels market. In this study, five biodiesels produced from different oils were blended with diesel fuel, on a 10% to 90% v/v ratio each, and were applied on a Euro 3 common rail vehicle. Chassis dynamometer measurements were conducted including both regulated gaseous pollutants and non regulated pollutants such as carbonyl compounds, particle number and size distribution. In addition to the legislated procedure, the Artemis driving cycles were used in the experiments for quantifying the fuels' impact over realistic driving conditions. The results indicate that all diesel/biodiesel blends present good operating characteristics and have limited effects on gaseous emissions and vehicle performance. Important reductions up to 25 % were observed on PM emissions for all test fuels, while particulate number and size distributions remained close to baseline levels. It is concluded that the biodiesel content in the fuel can be raised to 10 % v/v in order to increase the CO2 savings without any significant impact on vehicle emissions.


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    Title :

    Experimental evaluation of biodiesel impact on vehicle regulated and non-regulated exhaust emissions over legislated and real world driving cycles




    Publication date :

    2008


    Size :

    10 Seiten, 3 Bilder, 3 Tabellen, 13 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English