Fuel Smarts

By Jim Park

By the time the Cummins/Peterbilt SuperTruck made its public debut in February boasting 10.7 mpg, some contemporary trucks were achieving better than 8 mpg, and some super-fuel-conscious fleets boast even higher. While that may make the SuperTruck accomplishment seem slightly diminished, that 10.7-mpg milestone is only a small part of the story.

Tags: Cummins, MPG, Peterbilt, Fuel Efficiency, SuperTruck

By Jim Park

The Peterbilt-Cummins SuperTruck project achieved almost-unheard-of gains of 68% in freight efficiency over a 24-hour duty-cycle, a 50% improvement in freight efficiency on an 11-hour drive-cycle and a 20% improvement in the thermal efficiency of the engine. How did they do it, and what does that mean?

Tags: Cummins, SmartWay, Peterbilt, EPA, U.S. Department of Energy, SuperTruck, Engines, Fuel Economy

By Tom Berg

Is this a case of win-win? Do the new regulations limiting greenhouse gas emissions help both the environment and truck operators’ bottom lines? So it seems.

Tags: Volvo, Kenworth, Eaton, Navistar, Freightliner, Peterbilt, SCR, EPA, Mack, GHG emissions, API, GHG14