Top photo: An ASU engineering team is working with the Salt River Project utility, the Viking Cold Solutions company and the Bashas’ Family of Stores grocery chain on a thermal-energy system to reduce the costs and the amount of electrical power needed to keep large food storage facilities refrigerated at subzero temperatures. Pictured (from left) holding frozen ice cream are Associate Professor Robert Wang, doctoral students Prathamesh Vartak and Neda Askari and Associate Professor Kristen Parrish. Photo by Marco-Alexis Chaira/ASU