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Medium-Duty Tires Go Fuel-Efficient
<p>Downtown streets still pose a threat to delivery fleets' tires. Nobody will give up protection for fuel economy; the tire people say they won't have to.</p> By Jim Park
The factors driving tire design for medium-duty trucks has changed. Today, tire makers must balance fuel efficiency and bulletproof durability to stand up to a harsh P&D environment.
Direct Drive or Overdrive?
There’s no single answer to this age-old debate
By Eaton
The long-running debate over which type of transmission — direct drive or overdrive — provides the greatest efficiency is one that’s not easily settled and not likely to go away.
Test Drive: Cummins-Eaton Powertrain Smooth as Silk
The SmartAdvantage powertrain offers fuel and weight saving, as well as a very, very good driving experience.
<p><strong>The brand-new Peterbilt Model 579 loaned to us by TransX Ltd. had less than 40 miles on the clock. The SmartAdvantage powertrain makes it a very nice place to work. </strong><em> Photo: Jim Park</em><strong><br /></strong></p> By Jim Park
Cummins and Eaton may have finally nailed it with their SmartAdvantage Powertrain combo, reports Equipment Editor Jim Park in July's Test Drive. The SmartAdvantage powertrain offers fuel and weight saving, as well as a very, very good driving experience.
The Benefits of Low-Rolling-Resistance Tires Explained
If you're still not convinced of the benefits of low-rolling-resistance tires, this short video from Goodyear might help.
By Jim Park
There's little doubt left that tires formulated for lower rolling resistance work as advertised, but it's still tough to give up at few thousandths of an inch of tread. After all, tire miles are important, too. How much of a difference does the reduction in rolling resistance make?
Do You Know Where the Fuel From Your Yard's Fuel Tank is Going?
By Glen Sokolis
A bulk fuel tank in your own yard could be the most cost-effective fleet fueling option -- assuming your tank doesn't "leak."

Products

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Mack Adds MP8 505C+ to Engine Lineup For customers seeking a powerful high-performing 13-liter engine, Mack Trucks announced its newest powertrain offering – the Mack MP8 505C+
Kenworth T880 Adds Option for Natural Gas Kenworth announced a natural gas option for its T880 vocational truck, a Cummins Westport ISX12 G that can run either CNG or LNG fuel systems.
Navistar Offers Fuel-Efficient Transmission Package Navistar announced that it is offering the Allison Transmission FuelSense fuel-efficiency package on its medium-duty and vocational truck models.
Peterbilt Offers Alcoa Aluminum Wheels As Option Peterbilt is offering new, lightweight Alcoa Ultra aluminum wheels as a factory-installed option for all Peterbilt heavy-duty trucks.
Kenworth Offers Spicer AdvanTek 40 Tandems Kenworth says it has added Dana’s Spicer AdvanTek 40 tandem axle for new Class 8 pickup & delivery, regional haul and linehaul trucks equipped with the Kenworth AG380 or AG400L suspension.

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