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Grease is a mixture of a fluid lubricant, usually petroleum oil and a thickener (soap) dispersed in the oil. The base oil (petroleum) can be changed by using the biodegradable oils. Other then base oil, thickener may play an important role in the mixture. Soap thickeners are formed by reacting metallic hydroxide, or alkali, with a fat, fatty acid, or ester. Since the petroleum prices will increase each year, using non edible oilseed karanja as base oil is the best solution to produce grease in the low cost and decrease pollution. An environmental friendly biogrease has been formulated using...