Biofuels are rapidly emerging as a significant source of alternative energy around various parts of the world. They are produced with the help of plant extracts, biomass, agricultural wastes, etc. This innovative and comprehensive book integrates the well-developed theory and practical applications of bioenergy and biofuels with concepts such as biomass pretreatment, enzyme production, biodegradable wastes, biodiesel, biocatalytic conversion, etc. A number of latest researches have been included to keep the readers up-to-date with the important concepts and advancements in this area of study. Those in search of information to further their knowledge about biofuels and bioenergy will be greatly assisted by this book.