Ben-Gurion University scientists have shown for the first time that human poop can be converted by hydrothermal carbonization into a safe, reusable fuel (biomass) and a nutrient rich fertilizer. It addresses two major worldwide issues of sanitation and fuel for energy.

https://www.breakingisraelnews.com/116987/turkey-human-excrement-safe-fuel/

https://www.timesofisrael.com/israel-researchers-heat-up-human-poop-for-fuel-and-fertilizer/

https://www.sciencedirect.com/science/article/pii/S095965261832849X?via%3Dihub