Renewable energy sources help to alleviate greenhouse gas emission and increase the rate of global warming. Energy production from renewable energy sources is increasing drastically. Due to the enhancement of pollution in the world. there is a need to give attention on the development of projects, policy framing, and operations in renewable energy technologies and their implementations. Biofuel is seen as pollution-free energy source and optimum use of these resources helps to reduce the environmental impact and to develop suitability in accordance with the current social needs of the society. Biofuel technologies provide a huge opportunity to reduce greenhouse gas emissions and reduce global warming by replacing conventional energy. Biofuel will play a significant role to create the pollution free environment throughout the globe, and it is a reagent that can be used to generate energy. Biodiesel from castor oil generates huge energy with zero emission of pollution, and by proper implementation, it can reduce the pollution like PM2.5, PM10, etc., which are main sources of air pollution. The paper focuses on castor oil as biofuel and its scope as fuel in Indian scenario.
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