Non-Renewable Energy

Non-renewable energy is energy that comes from energy source that can be completely used up one day and cannot be replenished.
Example of energy source that can be completely used up or that cannot be replenished are petroleum, natural gas and coal.
So, if we keep on using large amounts of petroleum, natural gases and coal from day to day, then there is a huge possibility that these energy sources can be completely used up and cannot be replenished.

Petroleum

Natural Gases

Coal