Solid-state EV batteries are making the transition from the laboratory to real-world testing—this week we’ve seen announcements from QuantumScape, Rimac, and now Mercedes-Benz, which demonstrated its solid-state technology on a test drive from Stuttgart, Germany to Malmö, Sweden. A “lightly modified” Mercedes EQS test vehicle equipped with a lithium-metal solid-state battery completed the 1,205-kilometer (749-mile)… Read more…