Continuously growing environmental issues have becomea significant problem in the
world. These ecological issues deteriorate our day to day life and are responsible for serious diseases.
Also, the growing industrialization of the world has steeply risen and demanding petroleum products
for their modernization. Economic development has also resulted in a considerable rise in energy
demand. Biodiesel, a less polluting and sustainable fuel replacing diesel, has been gaining significant
attention from researchers from all over the world. The utilization of vegetable oil and waste oil as
fuel is found to be less polluting than the petrochemical products. The fundamental problem in biodiesel
production is that it is more susceptible to oxidation, which results in increased viscosity of biodiesel
concerning time, which in turn creates the problem. Therefore this review paper is focused
onthe current fossil fuel scenarioconcerningwith respect toWorld and Indiaalong withthe properties
of biodiesel resources andits production processes.
Keywords: Biodiesel, biomass, petrochemical products, production processes, purifications, sustainable fuel replacing diesel.
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