At this time there is no legislation in any state requiring RFID in tires, but vehicle manufacturers are doing things like attaching tire ID information to specific vehicles at assembly plants. This will allow them to notify specific vehicle owners if their tire is ever involved in a recall.
Mixers using super singles on rear axles is largely a regional thing. Mixers have needed large tires on the front axle for quite a while, but then had no way to use the casings (nervous about running retreads on the steer axle).
Going to wide base tires on the rear allows them to simplify...
Capri, nice answers.
There is no "automatic" relationship between tire load rating and fuel economy. Some tires at 50 PSI have better rolling resistance than other tires at 35. Tread compound and depth choices are moer critical.
There is also no automatic relationship between traction and...