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What truckers need is a trailer without wheels aligned in different directions (according to a Cummins study on optimum fuel economy).
I don't know how many intermodal trailer bases I've seen with wheels that looked like a cartoon clown car. Getting wheels that don't wobble and are properly aligned is a good start, but hard/impossible to implement.
Tractor owners often pick up what ever is next on the list. No say in the matter. Paycheck or not. Efficient or not. Alignment is key.
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“If we knew what we were doing, it wouldn't be called research” ― Albert Einstein
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