That would be a logistical headache. Current semi-trailers are low-tech, interchangeable and universally compatible. Introducing a dependency on a specific su

That would be a logistical headache. Current semi-trailers are low-tech, interchangeable and universally compatible. Introducing a dependency on a specific subset of trailers for a specific tractor, plus the need for charging facilities at endpoints, would make operations much more complicated and expensive.