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.|