To plug or not to plug is a thought that comes up whenever there's a puncture. The truth is, plugging a tire can be an easier, more convenient way to patch a flat, but it goes against Department of ...

A flat tire can make you late for work, and if you have a flat at home, you may be stuck there until you can get some help. But if you drive a semi-truck, just waiting around may not be an option.

This story appears in the Jan. 5 print edition of Transport Topics. Commercial tire work is a tough and potentially hazardous job, but the combination of effective training, protective equipment, ...