Peterbilt Motors Co. marked the production of the 100,000th Model 389 at its Denton, Texas, manufacturing plant as a milestone Sept. 7.

SAN DIEGO — Peterbilt Motors Co. unveiled its SuperTruck II high-efficiency concept vehicle for the first time in the exhibit hall at American Trucking Associations’ Management Conference & Exhibition.

Dobbs Peterbilt, based in Monroe, La., announced it opened its doors.

Peterbilt Motors Co. awarded its dealer of the year recognition to Allstate Peterbilt Group on Feb. 8.

MARSHALL, Mich. — A new, 18-speed automated transmission that will soon be available from Peterbilt Motors Co. can be spec’d for both on- and off-highway uses and with calibrations tailored to customer needs, the company announced.

Peterbilt Motors Co. announced the delivery of the first production Model 220EV to the Department of Solid Waste Services in Anchorage, Alaska. Ordered but not yet delivered was a Model 520EV truck.

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 2012.

LAS VEGAS — Peterbilt Motors Co. has unveiled an all-electric medium-duty truck, adding a third model to its emerging electric-vehicle lineup.

Peterbilt Motors Co. has announced a new warranty option for its Red Oval Certified Pre-Owned truck customers, according to a Nov. 5 press release.