For biomethane producers, it is certainly advantageous to consider the option of integrating on-site service stations. A practical example comes from Frohndorf (Thuringia) in Germany, where a farm with a biogas and biomethane plant has integrated a small service station for the refuelling of tractors and vans. What are the benefits? We asked Frank Scholwin, Managing Director at the Institute for Biogas, Waste Management & Energy.