Why is biogas a better fuel than animal dung cakes? – InterviewSolution

1.	Why is biogas a better fuel than animal dung cakes?
Answer» Biogas is a better fuel than animal dung cakes because: (i) Burning of animal dung cake causes lot of pollution whereas biogas is a smokeless fuel. (ii) The calorific value of animal dung cake is much lower than that of biogas. (iii) Animal dung cakes leave residue after burning whereas biogas leaves no residue.

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