Uncovering barriers hindering biogas energy growth in Brazil: Insights from literature.

The energetic use of biogas from waste contributes to meeting global energy demand while addressing environmental issues, especially in developing countries like Brazil. Despite increased biogas production capacity, its utilization for energy remains below potential indicating the existence of bottlenecks to its development. This study reviews literature to identify relevant barriers, categorizing findings by substrate and energy use. High investment costs was the most common barrier, regardless of substrate. Lack of infrastructure, technological maturity, and knowledge were also noticeable. The study suggests decentralizing policies and targeted subsidies, based on regional specifics and environmental benefits, to enhance biogas’s energy potential in Brazil.