Toyota is doubling down on the “holy grail” of EV tech — all-solid-state batteries. Its first EV could arrive as soon as 2027, promising longer driving range, faster charging times, and more. Toyota to launch its first all-solid-state battery EV in 2027 After announcing a new partnership with Sumitomo Metal Mining Co. to mass produce cathode materials for the new battery tech on Wednesday, Toyota said it aims “to achieve the world’s first practical use of all-solid-state batteries in BEVs.” Toyo...