SAF from Sewage: Firefly Green Fuels’ Process to Power Aviation with Wastewater Sludge
Firefly Green Fuels converts sewage sludge into sustainable aviation fuel (SAF) using hydrothermal liquefaction, addressing both waste management and aviation decarbonization needs. The UK-based company processes sludge from water utilities in a high-pressure reactor, yielding biochar for agricultural fertilizer and…