„Rynek Biogazu” [Biogas Market] – professional supplement which, in a complex manner, describes the biogas sector in Poland and Europe. Interpretation of legal provisions, biogas production technologies, expert commentaries, case studies, overview of the recommended companies: entities offering „as built” systems and suppliers of components for the biogas plants. Copies printed: 4000. Audience of „Rynek Biogazu” includes: owners of the biogas plants, owners of the largest agricultural establishments in Poland, pig and poultry farms, agricultural-food companies, municipal sector, investors interested in construction of biogas plants, representatives of municipal and local authorities. Date of publishing: February and November 2017. Special Supplement published only in polish language.