Biofuels are gaining increased public and scientific attention, driven by factors such as need for increased energy security, concern over greenhouse gas emission from fossil fuels, oil price hikes, has finally lead the search to sustainable alternatives. Biofuel has become an alternative with great promise with quite some problems to contend with; this includes the development of feasible technologies in recent years such as the search for highly efficient saccharification enzymes; and high cost of production which makes the price of biofuel expensive. Lots of progress on biofuel development and efficient technologies being developed for its production were reviewed.
