Peterbilt Motors introduced enhancements to its Model 579 EPIQ that it says can improve fuel efficiency up to 14 percent. The company also announced new models or expanded versions of existing models, ...

Peterbilt announced the availability of the Model 579 EPIQ spec in a day cab configuration that the company says can provide up to a 14 percent improvement in fuel economy. In the spirit of the EPIQ ...

Peterbilt’s Model 579 was destined to become the company flagship from the moment it was introduced in 2012. SCOTTSDALE, Ariz. — Seven years have passed since my first drive in a Peterbilt Model 579.

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 ...

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 ...

What more could a driver ask for than to be cruising across the high plains of New Mexico and west Texas at 70 mph with a good tail wind in a Peterbilt Model 579? Such was my task in May, when ...

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 ...

In a sense, Peterbilt engineers never get to build a true “clean sheet” design when they start work on a new truck. Those engineers might disagree with that statement, but as I gazed at the fully ...

They are an indisputable part of the canvas of Americana -- engine-forward, conventional-cab Class 8 trucks. And one of the most respected names in the heavy truck market is Peterbilt. To commemorate ...