In the days to come Algae is going to be everything. Wonders would be created using algae. Scientists predict that, from the oxygen that we inhale to the electricity that we use, algae would be the source of energy in the future. Researchers said that, Algae could be a possible answer to the problems that the world would face in the future. Now biodiesel produced from algae is getting ready to address the fuel crisis. The present work deals with the utilization of Microalgae biodiesel to

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... e the performance, emission and combustion characteristics of compression ignition engine. Microalgae methyl ester (MME) was produced from crude microalgae oil derived from chlorella vulgaries using transesterification process. Various blends were prepared and nominated as MME10D90, MME20D80 and MME30D70. Experiment was conducted on single cylinder four stroke diesel engine and the experimental results were revealed that, at full load condition with MME30D70 the BTE and BSFC were improved by 14.09% and 7.69% respectively, CO and UHC emissions were reduced by 71.97%, and 15.56% respectively but, NO X was increased by 11.58% as compared with diesel fuel and smoke was reduced by 10.36%.