Cow waste to be transformed into rocket fuel for space startup

A Japanese chemical manufacturing company has been working on creating liquid biomethane from cow waste to be used as rocket fuel, potentially providing a solution for dairy farmers grappling with disposal challenges. Air Water Inc. said it would begin conducting trials in the fall, with the fuel to be loaded on a rocket created by space startup firm Interstellar Technologies Inc. based in Japan's northernmost island of Hokkaido. Air Water has been manufacturing liquid biomethane in Hokkaido since 2021. It ferments the dung and urine in a plant constructed on a dairy farm in the town of Taiki ...