Biofuels are moving fuels like ethanol and biodiesel is a diesel that is finished from biomass resources. These fuels are generally merged with the petroleum fuels – gasoline and diesel fuel. They can also be used individually as well. Using ethanol or biodiesel facilitates lesser burning than fossil fuel. However, ethanol and biodiesel are unfortunately, more expensive than the fossil fuels. Nevertheless, they are uncontaminate » Read more: Biofuel Renewable Energy Resource