Environmental impacts of Biofuels

Currently used liquids biofuels, which include ethanol produced from crops containing sugar and starch and biodiesel from oilseed, are referred to as first generation biofuels. These fuels only use a portion of the energy potentially available in the biomass. Various techniques are currently being developed to produce biofuels. However, it is   uncertain when such technologies will enter production on a significant commercial from Biomass and Biogas from Biomass