Bryan Kilgore, ERS, for Zondits. Image credit: Scarsdale Patch The DeCicco & Sons grocery store chain has joined the small group of early adopters in the U.S. to have installed transcritical CO2 refrigeration systems in their stores vs. a traditional hydrofluorocarbon (HFC) system. HFC refrigerants such as R-134A have over 1,000 times the global warming […]