Differentiate between conventional and non-conventional sources energy.

The differences between conventional and non-conventional sources of energy are:

$\begin{array}{cc}\text{Conventional Sources}& \text{Non-conventional}\\ \text{of Energy}& \text{Sources of Energy}\\ \text{These are the traditional}& \text{These are modern sources of}\\ \text{sources of energy which are}& \text{energy.}\\ \text{generally bought and sold in}& \\ \text{the market.}& \\ \text{In India, conventional sources}& \text{These are being developed as}\\ \text{are being used in total}& \text{sources of commercial energy}\\ \text{disregard to the environment}& \text{with a view to check}\\ \text{i.e., these sources create}& \text{environmental pollution}.\\ \text{pollution}& \\ \text{Consumers have to pay a price}& \text{Consumers do not have to pay}\\ \text{for energy generated through}& \text{a price for energy generated}\\ \text{these sources.}& \text{through these source}\\ \text{These sources of energy are}& \text{These sources of energy are}\\ \text{exhaustible}& \text{renewable.}\\ \text{These sources are used by}& \text{These sources are generally}\\ \text{business.}& \text{used by households.}\\ \text{Coal, petroleum and electricity}& \text{Firewood and cow-dung are}\\ \text{are examples of commercial}& \text{examples of non-commercial}\\ \text{sources of energy}& \text{sources of energy.}\end{array}$