Fuel Economy

21  -  40  of  112

July 15, 2014

International DuraStar, WorkStar Get 9.3-Liter SCR Diesels

Navistar has started customer shipments of its International DuraStar and WorkStar trucks with the company's 9.3-liter diesels fitted with selective catalytic reduction emissions-aftertreatment equipment.

July 7, 2014

The Peterbilt-Cummins SuperTruck, Part 2: More Secrets Revealed

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?

June 30, 2014

New Oil Standard Won't Have Adhesive Wear Test

A proposed test for adhesive wear, or scuffing, will not be a part of the upcoming new API oil standard, currently known as PC-11, and the new category is running behind schedule for implementation.

June 19, 2014

Daimler Trucks Hits SuperTruck Goals Ahead of Schedule

Daimler Trucks North America said Thursday it has realized the objectives of its SuperTruck program one year ahead of schedule. Sponsored by the U.S. Department of Energy, the SuperTruck program is an ambitious five-year research and development initiative focused on improving freight efficiency, reducing fuel consumption and greenhouse gas emissions of Class 8 trucks.

June 17, 2014

121 Ways to Save Fuel: Drivers

From the equipment you spec and maintain, to the fuel you buy, to driver training and incentives, you’ll find tips for nearly any type of fleet.

June 17, 2014

121 Ways to Save Fuel

There’s hardly a fleet out there that wouldn’t like to save money on fuel costs. Maybe you’re not sure where to start. Maybe you feel like you’ve picked all the low-hanging fruit and you’re looking for new ideas. Here’s help. From the equipment you spec and maintain, to the fuel you buy, to driver training and incentives, you’ll find tips for nearly any type of fleet.

June 16, 2014

A Good Review for SuperTruck Program

Truck and engine manufacturers report significant efficiency gains as a result of the public-private “SuperTruck” program. An interim assessment of the Energy Department’s collaborative effort says that the concept vehicles are closing in on a 50% improvement in freight efficiency and a 20% improvement in engine efficiency.

June 9, 2014

Inflate your Tires, Not Your Fuel Bill

For as hard as fleets work for a 1% gain in fuel efficiency, it's hard to imagine giving up something like 2-4% in fuel efficiency to something as simple as maintaining correct inflation pressure, especially today when almost every inflation or monitoring system on the market offers payback in less than a year.

May 27, 2014

Don't Scrub Away Tire Savings

You've heard the expression, 'It's like herding cats"? It's like that with tires when your alignment is out of whack. With all those wheels heading in different directions, it's unlikely you're getting the best fuel economy -- or tire life.

May 23, 2014

Meritor Developing Fuel-Saving Drive Axle

CAMERI, ITALY -- Meritor is developing a new drive axle intended to save fuel by reducing parasitic power losses resulting from oil churn. The company shared its plans for the new fuel-efficient drive axle at a press event for North American trade journalists.

May 19, 2014

Navistar and Swift Transportation Begin Pilot Program to Improve Fuel Economy

Navistar said it developed a specification for the International ProStar tractor that the company expects to deliver improved fuel economy results.

May 16, 2014

Meritor Adds Two New Axle Ratios to Improve Fuel Efficiency

Two new axle ratios are available from Meritor, optimized to meet trucking's demand for improved fuel efficiency. Lower axle ratios promote downspeeding for optimum fuel efficiency.

May 14, 2014

Shell Engine Teardown Compares Protection of Experimental Oil

What do you get when you put a group of trucking journalists in a room with three tables of engine teardown parts and ask them to choose which one is from the truck running the experimental low-viscosity oil? A lot of eeny-meeny-miney-mo.

May 14, 2014

Shell Rotella Engine Teardown

A North Carolina fleet has been running a group of trucks on three different Shell Rotella oils -- a 15w-40, a 10w-30, and a 10w-30 that's been altered to provide a lower high-temp/high-shear number than is currently approved. A teardown of one of each after more than half a million miles shows virtually no difference in wear among the three engines. Learn more here. (By Deborah Lockridge, Editor in Chief.)

May 9, 2014

One Fleet's Quest for Fuel Savings

Royal Jones was an 18-year-old truck driver when he founded a trucking company in 1981 with truck mechanic Jimmy Ray. The two, who also were race car drivers, Webb said, "were early on obsessed with aerodynamics and fuel efficiency."

May 1, 2014

HDT Editors Seeking Fuel-Saving Ideas for June Issue

Do you have a sure-fire tip, trick or technique that has helped your company save money on fuel? If so, Heavy Duty Trucking's editors would like to hear about it for our special June issue, featuring "100 Ways to Save on Fuel."

April 11, 2014

MATS Focus: Integrated Drivetrains and Automated Transmissions

If there was an unspoken theme to this year's Mid-America Trucking Show, it was probably the focus on integrated drivetrains. And Martin Daum, president and CEO of Daimler Trucks North America, had some interesting things to say about automated transmissions in general.

April 10, 2014

Con-way Freight Deploying Trailer Skirts

Con-way Freight, a less-than-truckload carrier and subsidiary of Con-way Inc., announced it is outfitting its line haul trailer fleet with DuraPlate AeroSkirts to increase overall fleet fuel efficiency and reduce carbon emissions.

April 7, 2014

Past and Future Mingle at MATS

Where in the same exhibit hall could you see a stagecoach, a 1964 White Freightliner cabover, an '85 Dodge Ram and a sleek Jetsons-like tractor-trailer with a carbon fiber trailer? Deborah Lockridge explains in her "All That's Trucking" blog.

April 3, 2014

Report: Natural Gas, Aerodynamics Will Help Meet Future Fuel Economy Goals

Expanding the use of natural gas as a transportation fuel and greater use of aerodynamic devices on trailers are among the strategies recommended by a new National Research Council report for reducing fuel consumption by tractor-trailers, transit buses, commercial vehicles, trucks, and other medium and heavy-duty vehicles.

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