GM has said that by 2026, every Ultium EV would be able to charge in both directions and have vehicle-to-home (V2H) backup. The 2024 Chevy Silverado EV RST will be the vehicle to debut the function, with the GMC Sierra EV Denali Edition 1, Chevrolet Blazer EV, Chevrolet Equinox EV, Cadillac...