Advantage of solid fuels compared to liquid fuels

What are the advantages of solid fuels compared to liquid fuels?

1. The advantage of solid fuel is its convenience in storage and transportation.

2. However, the combustion of solid fuels produces more polluting gases because they contain more pollutant elements, such as sulfur (S).

3. Liquid fuels have advantages including complete combustion and less pollution, and are often classified as clean fuels.

4. However, the transportation of liquid fuel is relatively inconvenient.

5. Gaseous fuel not only burns completely and causes less pollution, but is also easy to transport and can be directly transported through pipelines, such as natural gas.

6. The disadvantage of gas fuel is that its reserves in nature are limited and it usually needs to be obtained through chemical production, such as industrial processes such as coal gasification.

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