[pureagave]

Every rental car I've rented in California seems to have Florida plates and every U-haul I've rented in the country has Arizona plates. I don't know that the issuing state matters. The Article content suggests the main issue is taking multiple short trips to the boarder not driving across a state.

[MisterTea]

They register the vehicles in states where it's cheaper. It used to be that a lot of people with trailers in New England registered them in Maine because you were(are?) not required to insure the trailer OR live in the same state to register.