resources and conservation
concepts
Biofuels have been promoted as one alternative to the reliance on fossil fuels for the world's energy needs, but the use of biofuels is controversial. The term biofuel (or agro-fuel) refers to the conversion of agricultural crops into forms of liquid energy that can be blended with or substituted for gasoline and diesel fuel. [Source: Encyclopedia of Global Studies; Biofuels]
key cases and current trends
biofuels