Transport Topics

LAS VEGAS — Navistar Inc. premiered a new, integrated powertrain as part of an update for its International LT Series truck line Aug. 16. The S13 Integrated Powertrain, which Navistar developed in collaboration with parent company Traton Group, consists of three distinct components — an engine, a transmission and an aftertreatment system. Company executives said the setup delivers a fuel-efficiency gain of up to 15% compared with its first-generation A26 engine. Learn more about your ad choices. Visit podcastchoices.com/adchoices