fuel economy

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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Obama to unveil truck fuel economy standards

The standards, to be released Aug. 9, will affect work trucks, buses and other heavy-duty vehicles.

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Proper Inflation

Maintaining the ideal air pressure is the most important step in keeping tires in peak operating condition.

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Cummins sees 6% fuel economy gain

Company is achieving a 6 percent improvement in fuel economy in its 2010 engine compared with 2007 technology.

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2010 Engine Performance

Manufacturers say EPA-driven changes yield better fuel economy and other benefits.

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‘Who’s inefficient?’ Four wheels or 18?

So asks New Cumberland, Pa., resident and owner-operator Tom Bowers in a letter to the editor published in the Harrisburg, Pa., Patriot-News, in response to a letter from another area resident heaping the bulk of energy inefficiencies in the transportation arena on the back of the big rigs of the trucking industry. Bowers' argument for the comparable inefficiency of the auto industry, where fuel used per-pound moved is much higher than the same rate in  big-rig ...

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