What are the advantages and disadvantages of liquid fuels

Advantages

1. Liquids are easily tranportable through pipes.
2. They burn without any solid residue like ash, clinkers etc.
3. They are easy to ignite.
4. They can be stored for long periods of time.

Disadvantages

1. The cost of liquid fuels is more than that of solid fuels
2. Specially designed expensive tanks are required to store liquid fuel
3. They have an unpleasant odour.
4. There is a greater risk of fire hazards with liquid fuels.