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. 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%. 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 evaluate 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

Microalgae was recognized as the sustainable energy feedstock for producing biofuels. Now bio-diesel produced from algal biomass is getting ready to address the energy crisis that the world would face tomorrow. This paper deals with the utilization of microalgae biodiesel at 30% blend, to investigate the influence of operating parameter such as injection pressure on the characteristics of a compression ignition engine. Microalgae crude oil was derived from chlorella vulgaries and it was converted into microalgae methyl ester (MME) using transesterification process. The desired test fuel was prepared by mixing of 30% MME with 70% pure diesel and designated as B30. The experiment was conducted on single cylinder four stroke diesel engine powered with B30 at various fuel injection pressures in the range of 180 bar, 200 bar and 220 bar. The experimental results showed that, no significant impact of modified injection pressures on BSFC, whereas BTE was increased maximum by 14.09% at 200 bar. The exhaust emissions such as CO, CO 2 , UHC and smoke opacity were improved mostly at 200 bar injection pressure, but NO X emission was increased, and increment in cylinder peak pressure was discovered only at 200 bar.

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