Hyundai Motor Group, including Kia, doesn’t expect to launch solid-state EV batteries until 2030, at the earliest. The company said there’s “a lot of uncertainty” around the promising new battery tech. With others, including Mercedes-Benz, Toyota, Stellantis, Honda, and Chinese battery giants CATL and BYD, who will be the first to get the “holy grail” of battery tech on the market?