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  • Title: Emissions of submicron particles from a direct injection diesel engine by using biodiesel.
    Author: Chen YC, Wu CH.
    Journal: J Environ Sci Health A Tox Hazard Subst Environ Eng; 2002; 37(5):829-43. PubMed ID: 12049119.
    Abstract:
    Small airborne particles less than 1 microm in diameter have a high probability to deposit deeply in the respiratory tract and cause respiratory diseases such as lung cancer. In this study, emission characteristics of submicron particles from a direct injection diesel engine using biodiesel (provided by the American Soybean Association) and petroleum-diesel fuels were measured under different operation conditions. The results show that the emitted particle sizes for both fuels are about the same. But when fueled with biodiesel, the diesel engine can substantially reduce 24-42% emission of the total number concentration, and 40-49% of the total mass concentration of submicron particles, which indicates that the emission of submicron particles can be effectively approved.
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