Most people who spend time driving their rig off pavement know the benefits of letting air out of their tires (also known as “airing down”), but I’m willing to bet that they don’t do it as often as ...

A few years ago, I drove 90 miles to a friend’s ranch with a slow leak in one of my truck tires. While it wasn’t a total blowout, the tire pressure was noticeably lower than I’d like for the drive ...