Semi trucks, though they get little recognition, or even respect, for that matter, are holding America together. These rigs, often called 18-wheelers, can last millions of miles, and are concentrated ...

When it comes to work trucks, it's fairly well known that even the most fuel-efficient pickups get fewer miles per gallon than their passenger vehicle counterparts. This logic extends even further ...

The 579 series is Peterbilt’s most technologically advanced and fuel-efficient semi-truck ever. Their words, not ours. It was developed following direct input from drivers, techs and maintenance ...

As far as modern-day, aero-focused semi-truck designs go, the Peterbilt 579 stands out as one of the best-looking ones. I much prefer the look of a traditional semi, like the 389, but if I had to ...

Paccar is recalling certain Peterbilt 579 trucks due to an issue with mirror assemblies. According to National Highway Traffic Safety Administration documents, Paccar is recalling more than 2,500 ...

When Peterbilt debuted its refreshed Model 579 last year it marked a fairly significant revamp – at least for Paccar, which has historically favored small refinements over full-blown reinvention. The ...

Our colleague at sister fleet publication CCJ, Chief Editor Jason Cannon, recently took Peterbilt's retooled Model 579 around North-Central Texas for a test-drive. The black-and-chrome EPIQ was as ...

Peterbilt unveiled the first Model 579 that has been equipped with the Aurora Driver, a Level 4 advanced autonomous system, at the Consumer Electronics Show in January. “As an industry leader in ...

The model number’s the same, but the Peterbilt 579 highway tractor has smoother aerodynamics for increased fuel economy and a redesigned interior that includes a large “digital dash” with color ...

Peterbilt Motors Co. has unveiled the new medium-duty Model 537 and Model 548, designed for the Class 7/8 segment, as well as the medium-duty Model 535 and Model 536, designed for the Class 5/6 ...

Peterbilt's Model 579 has been the company's on-highway flagship since its debut in 2012, but after seven model years even the most cutting edge units lose some of their sharpness. In the automotive ...

Peterbilt Motors Co. has unveiled a restyled version of its Model 579 flagship on-highway truck that offers a 7% fuel economy improvement compared with the truck it replaces, which was launched in ...