Hyundai EV owners will be able to get a NACS adapter for free next year.Owners of the Ioniq 5, Ioniq 6, and Kona Electric can use Tesla's Supercharger network at no cost.Hyundai-authorized adapter will give Hyundai EV drivers access to over 20,000 Tesla Superchargers.Genesis luxury brand will also offer the same benefit, while Kia's approach is yet to be announced.