US pork firm Wholestone Farms has announced plans to build a new hog slaughtering and processing facility in Sioux Falls, SD at a cost of around $500 million. The project includes setting up a $45 million wastewater treatment system, including covered lagoons, designed to capture biogas and reduce overall carbon emissions, while managing air quality and minimizing odour. Founded in 2016, Wholestone Farms is owned by 200 farmers based in …