International Truck Launches New Fuel Efficiency Pack for ProStar
International® Truck has recently introduced a new fuel efficiency package for the International® ProStar®—the International ProStar ES. The ES, short for efficiency specification, offers industry-leading aerodynamics, a drivetrain with advanced downspeeding and the most efficient rear axles in the industry. In addition, it boasts the spec’ing expertise of International’s Performance Engineering Team and Navistar’s proprietary […]