Question

Why biogas is considered to be a better fuel than cow dung

Answer 1

For the followings points biogas is used rather than cow dung:
1) Higher energy produced from small amount of biogas
2) Less pollution than the cow dung

Answer 2

Why biogas is considered to be a better fuel than cow dung?

1. It doesn't leave any ash after burning.
2. It burns with smokeless flame.
3. It has higher calorific value than dung-cake, wood & coal.
4. It is much cheaper than most of the common fuel.
5. Use of Biogas as a fuel will save forests and fossil fuels.