Tire maker Nokian Tyres is developing a winter tire that features retractable studs. According to Nokian, the tire is still in concept form but could one day become a reality. As the video below ...

Attaching wheels to a truck hub is serious business. Yet it's not uncommon to see some big bruiser of a mechanic, one foot against the bottom of the tire, whaling away with a 1-inch-drive impact gun ...