This book has been prepared by a small group of specialists led by Dr. Angel Amado Recio Recio. Angel Amado Recio Recio, who has been working for some years on the subject of the energetic use of biogas, with the objective of spreading this technology in the rural communities of Latin America, due to the advantages it offers from the environmental, economic and social point of view, many farmers spend a significant amount of money on fuel, both for food production and also in some cases to produce electricity, which can be solved by using the organic waste generated by their work activity, which will result in their economic welfare and profits for their economic activity.