The vast majority of trains on the planet depend on the friction (also known as adhesion traction) between steel drive wheels and steel rails to turn power into motion, but the somewhat slippery metal ...

If you want to do more off-roading, it's important to know the key differences between mud terrain and all-terrain tires.

IndyCar introduced a new package for Iowa, hoping that the increased downforce would encourage drivers to take the higher ...

During a weekend of hot, high-speed friction against the asphalt of the NASCAR Chicago Street Race course, thousands of tires burn out and wear down. After a few ...

The IndyCar paddock voiced its frustrations to IndyStar with the many issues Iowa Speedway brings. The series hopes its ...

The New Zealand native in his rookie NASCAR season is on another level on road courses than any other driver. Here's how he ...