Hillphoenix Portfolio of Natural Refrigeration Solutions Will Enable Food Retailers to Meet Recent California Air Resource Board Regulations News provided by Share this article Share this article DOWNERS GROVE, Ill., Dec. 17, 2020 /PRNewswire/ -- The California Air Resource Board (CARB) enacted regulations on December 14 that are expected to significantly impact the supermarket and industrial refrigeration industry. These regulatory requirements on artificial refrigerants known as hydrofluorocarbons or HFCs are the most stringent implemented in the United States to date. Hillphoenix's portfo...