A substance that burns to give a large amount of heat at a reasonable cost is called a fuel. A fuel contains carbon and hydrogen as main combustible elements. Fuel is any material that can be made to react with other substances so that it releases chaemical or nuclear energy as heat or to be used for work. We use different kinds of fuels in our daily lives, such as coal, wood, petrol, diesel, LPG and CNG. Read the below questions and try to answer them.
Give the characteristics features of an ideal fuel.

Explanation

The fuel should be economical in cost and readily available.
The fuel should be easy to store and transport from one place to another.
The fuel should not release any harmful gases during combustion.