Explanation

Biofuels are a source of energy derived from biomass,

It is organic material from plants, animals, and microorganisms.

Biofuels are considered a renewable energy source

Because the feedstock material can be replenished

Some examples of biofuels include:

• Ethanol: An alcohol made from plant materials 
• Biodiesel: A type of biofuel. 
• Biogas: A type of biofuel.