Ethanol from excrement: Waste water treatment plant in Mannheim produces ethanol for ships

The decarbonisation of shipping continues to be a challenge. A German startup, together with the Karlsruhe Institute of Technology (KIT) and the urban drainage of the city of Mannheim, has now taken a step in this direction. Specifically, they have retrofitted the local sewage treatment plant in Mannheim in such a way that it has become a production site for green marine fuel. The wastewaters of the city of Mannheim and green hydrogen are extrac…