'Trucks often go along repeatable routes, which is more convenient for going driverless. The driverless tractor-trailers rely on several cameras and sensors mounted at the front and sides that include radar and lidar equipment to help determine what’s on the road. Inside the cab or the tractor, there remains a steering wheel and seats.
'Today, a typical driverless truck run is best suited for what shippers call the middle-mile … Humans load a trailer and drive it to a depot where they hand it off to a driverless tractor.
'Autonomous trucks can reduce fuel consumption by 10% because they can calibrate speeds and optimize acceleration, braking and coasting with more precision, the companies say. Goldman Sachs forecasts that autonomous trucking will become cost-competitive with human-operated trucks in 2028 in the U.S'.
https://www.wsj.com/business/driverless-trucks-18-wheeler-aurora-35b89c45