Any substance which upon combustion produces a usable amount of energy is known as fuel. For example, fossil fuels, biogas, nuclear energy etc.
Characteristics of an ideal fuel
Characteristics of an ideal fuel (or good fuel) are listed below:
- Fuel is easily available and cheaper
- Burns easily in the air at a moderate rate
- Releases a large amount of energy
- No harmful substances must be emitted from fuel
- Eco friendly