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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?
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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.
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This series of photos reveals most of the secrets behind the effectiveness of the SuperTruck, particularly its aerodynamic enhancements. No stone was left unturned by engineers who were looking for every possible aero advantage. Some of what you see here will soon make its way onto production vehicles, while other enhancement may still be a few years off. (Photos: Jim Park)
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Truck engine manufacturer Cummins announced on Monday that Steve Charlton, vice president and chief technical officer, engine business, plans to retire from the company July 1
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The engine manufacturer Cummins announced on Thursday that Jeff Jones, vice president of its North American engine business and marketing communications, will retire from the company on June 30.
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Trailer maker Wabash National had net income for the first quarter of 2014 of $7.3 million, or 10 cents per diluted share, compared to first quarter 2013 net income of $5.7 million, or 8 cents per diluted share.
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Mack Trucks previewed the new Mack LR series of low-entry cabover refuse trucks designed with the driver, customer and demands of the rigorous job in mind. Initially available in three-axle 6x4 configurations and powered either by diesel or natural gas, the Mack LR series will be available in 2015.
Read More →Freightliner Trucks announced that the Allison Transmissions output retarder is now available as an option for M2 112 Natural Gas refuse trucks spec’d with Allison 3000 and 4000 series RDS transmissions.
Read More →Cummins Inc. promoted Dana Vogt to vice president - manufacturing - heavy duty, mid-range, and light duty diesel. In this new role, Vogt will also be an officer of the company.
Read More →Two more truck makers have announced how many of their vehicles are affected by a recall announced in early March involving Cummins Westport powered natural gas engines.
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