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The world is looking for an alternate fuel to replace the existing petroleum based products due to the depletion of natural resources and it has been projected for future unavailability and fluctuation of oil price in an international market. The EU directive targets 20% of all fuel should be from bio-fuels by 2020. There is a need to improve performance and emission levels in Compression Ignition (CI) or Spark Ignition (SI) engines to comply with stricter automotive norms and regulations due to the global warming issues. This research work is influenced by these factors and is expected to motivate the governing bodies to implement directives with higher bio fuel blends. In this context, a four stroke, single cylinder naturally aspirated (NA) direct injection (DI) diesel engine with 8 BHP @ 1500 rpm coupled with water cooled eddy current dynamometer was used for the experiments.