Biofuels are fuels of biological origin, derived from renewable
organic biomass, where biomass represents a potential source of
carbohydrates for microbial fermentation[1]. Interest in its use has
increased to the extent that governments seek to reduce and even
eliminate dependence on fossil fuels, to ensure future, greater energy security, while benefiting the environment. Considering that
oil accounts for 97% of the energy used for transport and industry
[2], governments around the world have actively promoted the
identification, development and commercialization of technologies
for the production of alternative fuels in the last 20 years [3],
including the production of ethanol