The idea of waste recycle and energy recovery plays a very important role for the economical growth of nation. The world faces the crisis of regular rise of petroleum prices, energy demand and exhaustion of fossil fuel resources. As a renewable, sustainable and alternative fuel for compression ignition engine, biodiesel instead of diesel has been increasingly became popular. Biodiesel, derived from the transesterification of vegetable oils or animal fats. In this paper we investigate the prospective of Jatropha oil to use as a Bio-fuel in the conventional diesel engine. The aim of the present paper is to do a comprehensive review of engine performance and emissions using Jatropha biodiesel from different feedstock and to compare that with the diesel. From this review it is found that the use of Jatropha biodiesel and its blends leads to the substantial reduction in CO and HC emissions accompanying with the imperceptible power loss, the increase in fuel consumption and the slight increase in CO2 and NOx emission on conventional diesel engine without modification. Since Jatropha biodiesel has many similarities to diesel fuel, it can be directly used in diesel engine without any modification.
diesel engine, Jatropha Biodiesel, blends, performance, comparison, emissions
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