Differentiate between Commercial and Non-commercial Sources of Energy.
| Commercial energy | Non-commercial energy |
|---|---|
| Commercial energy is energy which is available to the users at some price. | Non-commercial energy is energy which is available free of cost to the users. |
| For example, coal, petroleum, natural gas and electricity. | For example, fire wood, agricultural waste, cow dung. |
| It is used for commercial purposes in factories and farms. | It is used for domestic and consumption purposes. |
| This is a non-renewable form of energy. | It is a renewable form of energy. |