fuel economy

Is EGR doomed?

I spend a lot of time on airplanes. But sometimes, we get visitors here in our our Tuscaloosa, Ala., headquarters. Such was the case last week when representatives from Chevron Lubricants came calling. The gist of the presentation CCJ and Overdrive editors attended was on PC-11 – the new oil category shaping up for the eventual Greenhouse Gas Emissions Regulations (GHG) that will take affect in 2017. But lost in that conversation was a little nugget of ...

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Hino, Cummins, Paccar top power rankings for medium-duty engines

Class 5, 6 and 7 truck engines and transmissions were rated in J.D. Power's U.S. Medium Duty Truck Engine and Transmission Study of vocational application models.

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Squeeze what you can from fuel economy

You don't have to be an all-time mpg record setter to pad your wallet with increased fuel economy.

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Western Star 4900 set-back offers fuel economy

Model with Fuel Efficiency package and Detroit DD15 is showing the most improved fuel economy results of any Western Star truck model.

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A cool customer I won’t talk about

I learned today that the company we delivered freight to this morning is recognized by local business organizations and national industry organizations as an innovative and groundbreaking player in its industry. Learned by reading the magazine articles mounted on the reception area walls. Diane and I drove overnight on a run that began on Saturday in Austin, Texas and had the first of two stops in Reno, Nev. Yesterday's driving was not easy and Diane was ...

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Uh-oh! engine code: check fuel filter

For the first time ever in this truck, we got a fuel filter code.

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Fuel and Physics

With all the fuel saving products in the marketplace, how do you know what works?

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California Jump Start

State’s new regs, along with nationwide fuel prices, are driving sales of trailer aero devices.

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Torque Target

New engine technology promises not only improved engine efficiency, but also the ability to spec your drivetrain to further enhance fuel economy.

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Engine Spot

Where Mack's 13-liter MaxiCruise distinguishes itself from its predecessors, is in its horsepower offerings relative to the engine’s rpm level.

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