The international congress aims at showing the development, state of technology and economy of the biogas production worldwide. Practitioners, engineers, scientists and politicians will present and discuss the developments in the fields of process engineering, political/ social frameworks and utilisation of the fermentation products. Exemplary practical experiences confirm the positive developments in this fast developing field of technology and show the business possibilities.On March 29 the congress starts with an come together in the evening. Parallel to the two days congress on March 30 & 31 an company and a poster exhibition takes place. On April 01 two fiel trips take place. One will lead to biogas projects in agriculture, the second will lead to biogas projects in research / in waste management.With „ Progress in Biogas - Biogas production from agricultural biomass and organic residues“ an international congress took place in 2007, with 400 participants from more than 40 nations whose great appeal started and the activities followed then.