V2V is an automobile technology designed to allow automobiles to “talk” to each other and allows vehicles to communicate with the roadside infrastructure. V21 is an extension of V2V and collectively they are known as V2V1 or V2X. The V2X connected vehicles vision is extension and (a) all such vehicles have communication equipment that allows continuous connection to all nearby vehicles (b) All vehicles have communication equipment that allows continuous connection to all roadways infrastructure. (c) To improve safety, traffic flow energy usage. (d) may become an enabling technology for future cruise-assisted highways and autonomous driving.