In 2011, a Massachusetts dairy installed the state’s first agricultural digester; by 2020, manure and food waste were saving it $155,000 a year on heat, fertiliser, and bedding
For generations, cow manure was simply an unavoidable byproduct of running a dairy farm. At Jordan Dairy Farms in Rutland, Massachusetts, however, it became something much more valuable: a source of electricity, heat, fertiliser and even animal bedding. In 2011, the family-run dairy installed what it describes as the first agricultural anaerobic digester in Massachusetts….