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Diesel Engines are widely used in transportation, industrial and agriculture sectors worldwide due to their versatility and ruggedness. However, they also emit harmful emissions detrimental to human health and environment. Apart from environmental degradation, the perturbation in international crude oil prices is also mandating use of renewable fuels. In this context, vegetable oils such as Jatropha Curcas due to their carbon neutral nature and widespread availability, seems to present a promising alternative to the mineral diesel. Straight vegetable oils (SVO) are not recommended for direct diesel engine application due to their higher viscosity, poor volatility etc. and dilution of straight vegetable oil may effectively enable its direct application in unmodified diesel engines. In the present study, Jatropha oil was diluted with n-Butanol to improve the fuel properties of the blend.

Ever increasing consumption of petroleum derived fuels has been a matter of grave concern due to rapidly depleting global reserves and alarming levels of emissions leading to global warming and climate change. Exhaustive research has been carried out globally to evaluate the suitability of variety of renewable fuels for internal combustion engine applications. Amongst them, vegetable oil methyl esters or biodiesel seem to be a promising alternative for diesel in vital sectors such as transportation, industrial and rural agriculture. For quite some time, the focus for production of biodiesel has shifted towards non-edible oil feedstock from the edible ones, mostly due to food security issues. One such non-edible oil, locally known as Mahua in Indian subcontinent, is a very promising feed stock for biodiesel production. In the present investigation, 5%, 10%, 15% and 20% (v/v %) blends of mahua oil methyl ester (MOME) and diesel were prepared.