Each chapter is written by experts currently engaged in the research, who not only present the current status but also lay the foundations for future research The book begins with ten chapters on ethanol production from cellulosic feedstocks, which is more economically feasible and sustainable than ethanol production from corn Chapters are followed by discussions of the status of energy sources that are in various stages of development or imagination, including methane, methanol, hydrogen, electricity, butanol, and others.