For the second year in a row, Caterpillar's 3406 engine ranks highest in heavy-duty diesel engine satisfaction among customers of Class 8 trucks, according to the J.D. Power and Associates 2001 ...

Truck engines don't usually get as much fanfare as those of the big luxury coupes. Perhaps it's because they're built for grit over glamour. But take a closer look, and you'll find a few that earned ...

Aerodynamic wheel covers can deliver small but meaningful fuel-economy gains for fleets, and Deflecktor says its latest design aims to make the technology easier and more affordable to deploy.