When you get a professional driver talking about dirty air and .5-mile-per-gallon improvements, they get excited.

Older cars frequently had colorful components under the hood, including more than a few brightly colored engine blocks. Can ...

After nearly three decades in Tennessee, Nissan’s Decherd plant hits 20 million engines, with the milestone unit going ...

Samsara reports eight fuel-saving strategies from fleet pros, including reducing idling, smooth driving, and monitoring tire ...

Diesel engines in trucks and some passenger vehicles can derate power and go into limp mode, and this can be caused by a ...

Nearly every aspect of your trucking operation will impact fuel costs, not just your right foot. In this special report, find ...

Spire Motorsports has logged one top five, four top 10s and one pole award. Corey LaJoie owns the team's best finish, a ...