> a lead truck operated by a human driver is linked to a follower truck via encrypted, military-grade communications These are empty filler words, signifying a

> a lead truck operated by a human driver is linked to a follower truck via encrypted, military-grade communications These are empty filler words, signifying absolutely nothing. > Signals from the lead truck control the follower truck’s steering, acceleration, and braking; in essence, the follower truck mimics what the lead truck does. I'm sure that this article is effectively a press release, and shouldn't be taken as a technical description of what'll be happening, but it sure sounds like a great way for the lead truck to merge into an empty space in a lane, while the following truck merges into a minivan or another truck or a piece of construction equipment.