The following are the advantages of solid fuels over the liquid fuels:

1. In case of liquid fuels,there is a danger of explosion.
2. Liquids fuels are costlier as compares to solid fuels.
3. Sometimes liquid fuels give unpleasent odours during burning.
4. Liquid fuels require special types of burners for burning.
5. Liquid fuels pose problem in cold climates since the oil stored in the tanks is to be heated in order to avoid the stoppage of flow