December 2014 Archive

Navistar Rolls out New Efficiency Spec for ProStar

International Truck unveiled a new fuel efficiency package for its ProStar model, called ProStar ES. Short for efficiency specification, the ES package combines enhanced aerodynamics with improved powertrain efficiency and Navistar’s proprietary OnCommand Connection remote diagnostics system. “The ProStar ES is a package, an ecosystem, if you will, developed by