This study discusses performance and exhaust emission of the vehicle fueled with low content chlorella algae oil (property of the algae oil is similar to the property of diesel) blend with pure diesel in CI engine. The vehicle tests were performed at wide open throttle and at constant speed. The result obtained with the use of chlorella algae oil-diesel blend B10, B20, B30 and also tested emission such as oxides of carbon, hydro carbon, nitrogen oxide and smoke. We have done chlorella algae as the alternative fuel to reduce the consumption of diesel in CI engine. Key words: Chlorella algae oil , Performance , Bio diesel , Hydro carbon , Emission.
I.INTRODUCTION The country's energy demand is expected to grow at an annual rate of 6.8% in the last twenty years. The fossil fuel like coal, natural gas and biodeiesel are satisfying the current requirement in automobile field . In these circumstances bio fuels are going to play an important role in meeting India's growing energy needs. . Chlorella vulgaris is one of the most attractive algae species for producing biofuels owing to its fast growth and easy cultivation. While the CO 2 levels were higher, the nitrous oxide (NOx) emissions were lower than that of diesel. Experimental evaluation of diesel engine performance and emissions of diesel fuel and bio diesel .The huge demand of the fuel is reduced by the algae oil cultivation on the less land resource .The water used for the algae oil cultivation is less than the land crops .The chlorella algae oil with diesel in different blends have been studied Biofuels are not only the best and reliably available fuels attained from renewable sources but they are absolutely pollution free, abundantly available in locals, easily accessible and highly sustainable. The high range of cultivation of chlorella algae is done on open ponds. Open ponds can be built and operated very economical. Algae ponds are built in the well suited location for the wastewater treatment process. One of the largest of this type of algal pond is Melbourne's Worrigee wastewater treatment plant spanning 11,000 ha. The marginal land, fresh water or sea water is the best place for algae cultivation. Innovations to algae production allow it to become more productive while consuming resources that would otherwise be considered waste. The algae oil can be extracted from bio diesel by the transesterification process. 18 ml of methanol, 1.5 gm of potassium hydroxide was added with one litre of algae oil in the reactor. Acid catalyzed transesterification method was carried out in round two-neck flask. Flask was heated to reaction temperature by using a constant temperature water bath. A standard reaction mixture consists of 1:10 ratio of algal oil. Methanol and 1% of concentrated sulfuric acid was used. The reaction mixture was heated at 65 °C without stirring. Then the chlorella algae oil which is produced are tested for the performance and emission analysis.