Note: Caster, the other major alignment angle, can cause your car to pull to one side and/or create steering issues if out of spec. It rarely causes abnormal tire wear. Cupping, AKA scalloping ...

Tires can lose their footing long before they're worn out. Our tests show that tread can ... you may want to consider shopping for new ones on your car or truck closer to the 4/32-inch groove ...

They are masters of innovation, crafting products that require worn-out car tyres as raw materials. From knife to machete handles, akala (sandals fashioned out of old tyres), re-grooving bad tyres ...