BOSTON — For years, dairy farmers have used cow manure as fertilizer to spread over crops like corn and hay. But two farms in Western Massachusetts have a new use for all that manure — renewable energy. Luther Belden Farm in Hatfield and Rockwood Farms in Granville are embarking on a project to turn cow manure into electricity as a way to become self-sustaining and stabilize their finances in what they say is a volatile market. The farms are working in partnership with the the Hampshire Council of Governments and Pennsylvania-based startup Ag-Grid Energy. The farms hope to break ground on two on-site agricultural anaerobic digesters this summer. Read the rest of the story at MASS LIVE.