Fossil fuels come from rotten plants and animals which has been subjected to pressure and heat for a long time.
Fuels are found in the Earth’s crust and include hydrogen and carbon.
Examples of this include oil, coal, and natural gas.
Biomass
Biomass is an organic component derived from plants and animal waste such as wood, manure, sugarcane, municipal solid waste, and grasses.
Biomass is essential low-carbon fuel in many countries, used for heating and cooking, thus replacing fossil fuels.
Biomass is a renewable source of energy which is constantly replenished, unlike fossil fuels.
Biofuels and biogas are the best examples of biomass replacing fossil fuels in many countries that use biofuels as a liquid fuel in vehicles to replace gasoline and diesel.Jatropha seeds are used to make biofuel.
Animal waste is another example of biomass replacing fossil fuel. Animal waste serves to replace LPG with Biogas.