The first edition of this book quickly established itself as the book on biogas generation. Now, in a newly revised fourth edition, David House clearly lays out a compendium of useful information, from the most theoretical scientific research to grassroots, home-grown trial and error.

Inside are detailed designs for generators and the knowledge, encouragement, imagination, and humor you will need to build a generator of your own. While biogas may not yet be a household word, you should consider it seriously if you believe in the future of alternative energy.

Learn how to use biogas for illumination, cooking, water heating, refrigeration, space heating, and fueling vehicles.