To meet the rising energy demand and replace reducing petroleum reserves, fuels such as biodiesel and bioethanol are in the forefront of alternative technologies. The viable alternative fuel for compression-ignition engines is biodiesel. Biodiesel is briefly defined as the esters of vegetable oils or animal fats. Biodiesel is the best candidate for diesel fuels in diesel engines. Biodiesel bums like petroleum diesel as it involves regulated pollutants. On the other hand biodiesel probably has better efficiency than gasoline. Biodiesel also exhibits great potential for compression-ignition engines. Diesel fuel can also be replaced by biodiesel made from vegetable oils. Experiments were initially carried out on the engine using diesel as a fuel to provide base line data. The different parameters like specific energy consumption, power, and efficiencies are determined at various load conditions. The results obtained are weighed with those under pure diesel mode of operation.

Keywords: Biodiesel, Alternate fuel, Diesel Engine, Fuel Consumption.