4Energy Information Administration. International energy out- look 2008 DOE/EIA, 0484 (2008) [ R ]. Washington DC : Department of Energy, 2008.
5PUHAN S, VEDARAMAN N, SANKARANARAYANAN G, et al. Performance and emission study of Mahua oil( madhuca indica oil)ethyl ester in a 4-stroke natural aspirated direct injection diesel engine [ J ]. Renewable Energy, 2005, 30 : 1269-1278.
6U.S.Department of Energy(DOE). Diesel emission control- sulfur effects project ( DECSE), NREL/P-540 -31600 [ R ].[S.l.] : National Renewable Energy Laboratory (NREL), 2002.
7SALVATORE A, MADDALEENA A. The effect of methyl ester of rapeseed oil on combustion and emissions of D.I. diesel engines[J]. SAE Paper No. 932801, 1993 .
8CHOI C Y. Effect of bio-diesel blended fuels and multiple injections on D. I. diesel engines [ J ]. SAE Paper No. 970218, 1997: 388-407.
10Shi Xiaoyan, Pang Xiaobing, Mu Yujing, et al. Emission reduction potential of using ethanol-biodiesel-diesel fuel blend on a heavy-duty diesel engine [J]. Atmospheric Environment, 2006,40:2567-2574.