As a diesel owner, I know the hectic heartbreak of trying to keep such an unpopular drivetrain up and running in the U.S. Most people think of big semi trucks when they think of diesel, or they think ...

Maintaining optimal performance and ensuring compliance with emissions standards go hand in hand for operators of diesel trucks. Diesel Exhaust Fluid (DEF) is a critical component in achieving both.

The next time you see a semi truck rumbling down the highway, pay attention to the vertical exhaust stacks rising up from behind the cab. These exhaust pipes aren't just for aesthetic purposes: These ...