Question

why biogas is an excellent fuel​

Answer 1

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It is an excellent fuel because: It doesn't lead to air pollution since combustion of biogas is smoke free. It is a clean fuel, since it doesn't leave any residues. It produces a large amount of heat per unit mass and therefore, has high calorific value.❤️

Answer 2

Explanation:

Biogas is a renewable, as well as a clean, source of energy. Gas generated through biodigestion is non-polluting; it actually reduces greenhouse emissions (i.e. reduces the greenhouse effect). ... Biogas generation helps cut reliance on the use of fossil fuels, such as oil and coal.