Except that trucks usually don't haul the same trailer day in and day out. Also when a truck is loaded the driver has to check weight, balance and shift the pins around on the trailer and 5th. Who does that what the load shifts because the truck made an evasive maneuver out on the road in bfe middle of Utah? There's a lot of aspects to driving otr that people don't realize. This industry already operates on tight margins so bringing in new tech which may be beneficially in the long run is hard to justify for most small companies and owner operator outfits.