While the Department of Energy is working to expand AI model options for employees using its Joulix suite of tools, it isn’t looking to just add for the sake of more, per the agency’s top technology official. “I could have an agreement with every vendor, every frontier model out there,” Dawn Zimmer, CIO at the Energy Department, said in an interview with FedScoop. “But which ones do people really want? Nobody’s going to use all of them.” Some …