The Shikaoi Hydrogen Farm, however, is using a different source – a waste product that there is no shortage of on Hokkaido. Around 20 million tonnes of cow manure is generated in Hokkaido annually.

In front of the Barstows’ cow barn sits a 550,000-gallon underground tank into which about 9,000 tons of manure flow from the cow barn each year. There, it’s mixed in an oxygen-free ...

Japan is using cow dung to create fuel for vehicles, reducing carbon emissions and managing agricultural waste. In Shikaoi, cow manure is converted in ...