Two of the most popular semi trucks on the market are the Kenworth T680 and the Peterbilt 579. There are actually some subtle differences between them.

Curious who makes Peterbilt trucks and what engines they use? Here’s a look at the brand’s ownership and the powerplants behind the big rigs.

The crash “ruptured the fuel tanks of the truck, causing the truck and trailer to become fully engulfed in flames,” according to the press release. The driver of the Peterbilt truck was uninjured.

The NASCAR Craftsman Truck Series Race in Pocono, a.k.a. the MillerTech Battery 200, is the first big race on the schedule at the Pocono Raceway.