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Navistar touts fuel efficiency lead

Published Wednesday, May 07, 2008

Navistar announced the results of its latest round of fuel-efficiency testing today, which the company said demonstrates that their International ProStar tractor is the most aerodynamic and fuel-efficient Class 8 truck on the road. The testing included wind tunnel and over-the-road testing of the ProStar model compared to Freightliner’s Cascadia tractor and Kenworth’s T660. The results of the wind tunnel testing showed that the ProStar is 7.3% more aerodynamic than the Cascadia and 8.2% more aerodynamic than the T660, according to Bob Weber, chief engineer, Heavy Vehicle Center for Navistar. Over-the-road-testing against a similarly spec’d ...

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