Increasing demand of fuel in everyday life and its hazards cause serious problem for this planet. Intensive attention is required to see this problem. In this review paper there is a comparative study to find out the alternative for diesel fuel and efforts to increase its performance. In this paper blending of oxygenated additive at different percentage with sole diesel and effects on various performance parameters are studied. Blending of Oxygenated additives, improve brake specific fuel

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... ption (BSFC), combustion performance and reduce emission from diesel engine. Properties of the blended fuel and standard exhaust emission of compression ignition (CI) engine have been studied comparatively for sole diesel, NM-Diesel and NE-Diesel fuel blends from different experimental investigation on engine performance and exhaust gas emissions at various engine operating conditions using an engine dynamometer setup.