GM’s Ultium battery gets the ultimatum The VergeGM ditching ‘Ultium’ name for batteries, tech amid EV changes CNBCTesla Veteran Is Overhauling GM’S Troubled EV Battery Strategy BloombergExclusive From The Electric: Inside GM’s Secretive Battery Lab The InformationGM drops Ultium name, says it will build a new battery center and EVs will be profitable Detroit Free Press