This book provides comprehensive insights into the field of bioenergy. It attempts to understand the multiple branches that fall under this discipline and how such concepts have practical applications. Bioenergy refers to a form of renewable energy which is produced by using biological resources. The resources used are biomass, wood, straw, sugar cane, manure and other agricultural products. This book also describes in detail the positive and the negative impacts of bioenergy. Most of the topics introduced in this textbook cover new techniques and the applications of bioenergy. Different approaches, evaluations and methodologies on this subject have been included in it. For someone with an interest and eye for detail, this book covers the most significant topics in the field of bioenergy. This text will serve as a reference to a broad spectrum of readers.