Biodiesel is a promising alternative fuel as a replacement for diesel fuel because it is biodegradable, non-toxic and can significantly reduce pollutant emissions as well as emission of CO2 when is burned as a fuel in compression-ignition engines. In this study, we presented a comparison of the performance and emissions of two methyl ester fuels: one obtained from animal fat and the other from crude canola oil, in a compression-ignition engine against diesel fuel. The experimental results compared with diesel fuel showed that significant reductions could be obtained by biodiesel derived from animal fat in carbon monoxide and oxides of nitrogen emissions. CO2 emissions showed a trend of decreasing with the biodiesel fuels. An increase in brake specific fuel consumption was observed for different biodiesel fuels when compared with diesel fuel. It was concluded that animal tallow methyl ester performed better than canola oil methyl ester, whereas slightly higher brake torque is observed with canola oil methyl ester.
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Volume 10 (2013)
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