There's actually a name for that barren semi-truck: a bobtail truck, and when it's in the act of driving like this, it's ...

The Tesla Semi purports to accelerate extremely fast for a truck — 0 to 60 mph in 20 seconds with a full load — and its standard features like autopilot can make long-haul trips effortless.

Heavy trucks include single unit trucks (2-axle or 3-axle), truck tractors (bobtail, semi-trailer ... can’t see the driver’s face in their side-view mirror, they can’t see you.