Sludge2Fuel (IMAGE) Aarhus University Caption Soon we will be able to refuel our planes with sludge from sewage plants. Researchers from Aarhus University have been working with the technology since 2015, which will now be tested on a full scale for the first time in a demonstration plant in Fredericia. In the picture: Leendert Vergeynst (right) and Williane Vieira Macedo Credit Henrik Olsen Usage Restrictions May only be used with appropriate credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.