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 ...

DENTON, Texas — It wasn’t long ago, fleet operators had trouble getting their heads around a 13-litre engine being sufficient to haul required payloads. The 15-litre was king, and it still is in many ...

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 ...

DENTON, Texas — In the 75 years that Peterbilt has been building trucks, fuel economy has never been more important than it is today. So this is a big year for the truck maker, not only because it’s ...

The New Model 579 UltraLoft is the first major redesign for the truck by Peterbilt since the 579’s debut in 2012. It felt good to be behind the wheel of a brand-new tractor-trailer after months of ...

Designed with long-haul efficiency and driver comfort first, the Kenworth T680 and Peterbilt 579 are some of the most popular semi-trucks on the highway, both with legendary reputations. Although ...