The book is indispensable as a manual and textbook on gas supply. The 8th edition has been completely revised. Changes and expansions have particularly occurred in the following areas: - Bio and synthetic gases, hydrogen from renewable energy sources (Power to Gas) - Calculation methods for underground storage of natural gas - Conditioning of biogas to natural gas quality - New burner technologies (gas-adaptive systems) - New requirements for the testing and labeling of gas appliances - New market roles and responsibilities in public gas supply.