Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Why are gaseous fuels called 'clean fuels'? Give some examples of gaseous fuels.

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Gaseous fuels leave no residue on burning, which leads to reduced pollution. This is the reason why they are known as clean fuels. CNG and LPG are examples of gaseous fuels.