this post was submitted on 26 Nov 2023
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Look at the size of a fifth wheel truck or tractor, and what a vehicle like that can tow, compared to something like a bus, designed to carry passengers.
Vehicles designed to tow as their primary purpose are very compact.
Dedicated tow vehicles are compact but powerful. Powerful engines and strong drivetrains are expensive, and especially if they're going to run unattended these would have to be powerful.
Otherwise can you imagine having this thing chase your light, fast car up a big hill, slowly falling further behind until it loses connection?
Or roasting itself on a long climb until it boils coolant, blows a head gasket, depletes its batteries or one of the many other things that could happen to an unattended motor working at 100% load.
You'd need a way of slowing down the lead vehicle, for sure.