Fuel Economy

21  -  40  of  201

June 9, 2016

Volvo Talks About Piston Technology in Latest Engines

The Volvo Group’s new truck engines in the U.S. are more fuel efficient thanks in part to a new piston design, which has "waves" on the piston crown that improve oxygen utilization.

June 8, 2016

ATRI Seeks Fleet Input on Heavy-Duty Truck MPG

The American Transportation Research Institute, in conjunction with the University of Michigan Transportation Research Institute and ExxonMobil, has launched an online survey seeking the input of heavy-duty truck fleet managers on fuel economy and fuel usage.

May 24, 2016

Trailer Aero Devices Help Save 1 mpg, Manager Says

“All you have to do is ride a motorcycle behind the trailers to notice the difference” between aero and bare trailers, says John Drake, a Harley-Davidson enthusiast. Learn more in the Trailer Talk blog.

May 13, 2016

PIT Group Expands Energotest Road-Test Program

PIT Group has expanded its spring 2016 Energotest event with an invitation-only VIP Day for select Canadian and U.S. trucking operations and a Fleet Forum for invited participants and PIT Group fleet members.

April 8, 2016

Volvo’s I-See Memorizes Roads to Save Fuel 

As a truck travels a route for the first time, I-See records the topography of the route, storing up to 4,500 hills in its memory. The next time the vehicle travels that route, I-See will recognize it and tell the Volvo I-Shift to choose the best gear.

April 7, 2016

A Lot of Thought Went Into This Tanker

On the road last month, Senior Editor Tom Berg spotted a pneumatic tanker trailer with some non-traditional features. He shares some insight from the driver in his latest Trailer Talk blog.

February 28, 2016

NACFE: Trailer Aero Products Work, 'Depending'

Trailer aerodynamic devices work, but how well depends on the products and users’ operating conditions, says the latest Confidence Report from the North American Council for Freight Efficiency.

February 25, 2016

Mild Hybrid Silverado, Sierra Trucks to Arrive for 2016

General Motors will offer about 700 eAssist hybrid versions of its 2016 model year Silverado and Sierra pickups through California dealers, GM has announced.

January 28, 2016

Find Test Data in Choosing Economy Options, Report Says

Truck fleets should seek test data on fuel-saving products so they can intelligently decide what to use in their own operations, says Determining Efficiency, the latest “confidence report” from the North American Council for Freight Efficiency and the Carbon War Room.

December 15, 2015

Preventive Maintenance Can Improve Fuel Economy, Report Says

Research found fleets that saw MPG gains of 5% to 10% with rigorous PMs, Trucking Efficiency's confidence report says.

December 15, 2015

Wabash AeroFin Tail Device is SmartWay Elite Verified

Wabash National’s AeroFin XL Tail Device is an aerodynamic solution designed to improve trailer aerodynamics and overall fuel economy.

November 9, 2015

Diesel Chevrolet Colorado Exceeds 30 MPG Highway

The 2016 Chevrolet Colorado and GMC Canyon rear-wheel-drive pickups powered by the 2.8L Duramax turbo-diesel have achieved fuel economy ratings of 31 mpg on the highway, making them the most fuel efficient pickups on the market.

November 1, 2015

12 Ideas For Lightweighting Your Trucks

Over the years, manufacturers have designed vehicles and components to reduce weight, and fleets have tried many of them. From their wisdom, we offer a dozen lightweighting ideas for Class 8 trucks and tractors.

October 29, 2015

NACFE Shows Downspeeding Good for 2-3% Fuel Savings

A new report delves into the use of downspeeding, which is becoming a popular fuel saving strategy for fleets. The concept makes use of numerically lower rear-axle ratios to lower engine rpm at vehicle cruise speed.

October 14, 2015

Commentary: Rocket Science Circa 1995

Today's complex engines may be different from in 1995 but the principles of getting better gas mileage haven't changed.

October 12, 2015

Accuracy of Truck Fuel Usage Data Called Into Question

The data coming from a truck's engine computer may not be the most accurate gauge of fuel economy according to a new report.

October 1, 2015

‘Platooning’ Tractor-Trailers Raise Questions at TMC Meeting

ATA's Technology & Maintenance Council just adopted a White Paper: Automated Driving and Platooning Issues and Opportunities discussing where development is and what its prospects are.

September 21, 2015

The Downspeeding Learning Curve

Today's "downsped" drivetrains can improve fuel economy, but high torque and low axle ratios can create all sorts of havoc with drivetrain components.

September 9, 2015

Fairings Over Tractor's Tandem Save Fuel for Tanker Fleet

Stainless steel tanker trailers look smooth enough to easily slip through the air, but they have characteristics that cause drag. One fleet has turned to an aero system for the tractor tandems to help smooth the air flow over the trailer.

September 9, 2015

Q&A: New Committee Head Talks PC-11 Oil Category

There's a new head of the committee developing the new heavy-duty engine oil classification, known as PC-11. HDT talked to Shawn Whitacre to find out what fleets need to know about the new oils.

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