WHAT ARE THEY? Honda’s first SUV that runs on electricity only will be the Prologue 2024. General Motors’ Ultium architecture, used in cars like the Chevrolet Blazer EV, will power the car’s base, electric motors, and batteries. Since Honda’s design department was in charge of both the inside and outside of the Prologue, it will look very different, even though it has much in common with GM’s cars.