John Rose, an expert in biogas and its potential in the energy transition and fight against global warming, discusses the growing market for renewable natural gas produced from biogas. Topics include the basics of biogas production, the role of EPC firms and active maintenance in biogas plants, the costs and regulations of biogas in Europe, participants in the biogas market and the push for renewable energy in transportation, and the growth and potential of the biogas industry as a sustainable solution to climate change and decarbonization.