Bio-fuels are mostly derived from plants. Bio-fuels exist in all three states of matter: solid, liquid and gas.

Difference between biofuels and fossil fuels

Bio-fuels are different from fossil fuels in the following ways:

• Fossil fuels take million years to build whereas bio-fuels can be made very quickly, within a few days.

• Fossil fuels generate huge amounts of pollution. Bio-fuels are relatively safe.

• Bio-fuels are renewable, unlike fossil fuels.

Different types of bio-fuels (more…)