Bio-butanol has gained wide recognition globally as an advanced biofuel, which can be used directly as a substitute for gasoline in internal combustion engines. This book provides readers with an in-depth knowledge of the various aspects and steps involved in butanol production. Further, the current global status, history, various technologies adopted for butanol production from different feedstocks, and the role of microorganisms in the production process are also covered. The book has 12 chapters, with each chapter dedicated to covering various aspects of butanol, from production to applications.