Navistar-International introduced Dec. 5 a truck the company says is “the best fuel efficiency package in the industry.” The ProStar ES (efficiency specification) bundles an aerodynamic body and a ...

LISLE, Ill. – Claiming significant fuel savings, Navistar has formally introduced the International ProStar ES model first shown last month at the American Trucking Associations conference. ‘ES’ ...

Truck and engine maker Navistar is rolling out a new fuel efficiency package for its International ProStar highway tractor, dubbed the ProStar ES – a designation that stands for “efficiency ...

Navistar Inc. has announced a new fuel-efficiency package for its International ProStar model, marking the latest enhancement to the company’s lineup. The ProStar ES, which stands for efficiency ...

International Used Truck Centers recently announced its “Get Used to International” ProStar MaxxForce Sweepstakes and will offer as the grand prize a 2010 International ProStar used truck powered by a ...

Navistar unveiled Friday its ProStar ES, a truck the company bills as “the best fuel efficiency package in the industry.” Navistar says its ProStar ES (short for efficiency specification), offers ...