Think Out LoudThe promising potential of using iron instead of scarce metals in batteriesBy Allison Frost (OPB)June 3, 2024 6:38 a.m. Updated: June 10, 2024 8:55 p.m.Broadcast: Monday, June 3📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up