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Fuel Smarts

Article

Medium-Duty Tires Go Fuel-Efficient

Downtown streets still pose a threat to delivery fleets' tires. Nobody will give up protection...

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.

Article

Direct Drive or Overdrive?

Direct Drive or Overdrive?

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.

Article

Test Drive: Cummins-Eaton Powertrain Smooth as Silk

The brand-new Peterbilt Model 579 loaned to us by TransX Ltd. had less than 40 miles on the...

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.

Product

Turnkey Process for CNG Fuel Systems Available

Turnkey Process for CNG Fuel Systems Available

Mainstay Fuel Technologies and Fontaine Modification reached an agreement to provide a turnkey process for the delivery and installation of compressed natural gas fuel systems on Class 8 heavy-duty, over-the-road tractors.

Article

The Benefits of Low-Rolling-Resistance Tires Explained

The Benefits of Low-Rolling-Resistance Tires Explained

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?

Got Questions

Got Questions? ELDs and Telematics

Scott Sutarik is the Business Development, OEM Sales Manager at Geotab Inc. He...

Business Development, OEM Sales Manager

Scott Sutarik from Geotab

Business Development, OEM Sales Manager

https://www.geotab.com/?utm-source=hdt&utm-medium=sponsorship&utm-campaign=heavy-truck&utm-content=gotquestions-logo-1017

Got Questions? Sleeper Cab Power Experts

Steve Carlson is the Xantrex OEM and fleet manager. Steve has over 20 years of...

Xantrex OEM and Fleet Manager

Steve Carlson from Xantrex

Xantrex OEM and Fleet Manager

http://hdtruck.xantrex.com/?utm_source=HDT&utm_medium=gotquestions&utm_campaign=onhwy

Article

Oil Viscosity: How Low Can You Go?

Chevron conducted a live teardown of a Detroit DD15 engine, with more than 400,000 miles of...

To meet expected greenhouse gas/fuel efficiency standards, oil companies and engine makers have been busy developing a new standard for engine oils that will provide a new type of lower-viscosity oil to improve engine efficiency.

Article

Q&A: Environmental Defense Fund's Jason Mathers

Q&A: Environmental Defense Fund's Jason Mathers

Environmental groups working hand in hand with trucking? "One of the key priorities for our organization over the coming years is to advance strong fuel efficiency and greenhouse gas standards in the heavy-duty truck space," says Jason Mathers with the Environmental Defense Fund. But he says he wants to do it in a way that makes sense for trucking businesses.

Photo

The Peterbilt-Cummins SuperTruck Revealed

A complete shot of the Cummins Peterbilt SuperTruck at a rest area on the test route near Bowie,...

This series of photos reveals most of the secrets behind the effectiveness of the SuperTruck, particularly its aerodynamic enhancements. No stone was left unturned by engineers who were looking for every possible aero advantage. Some of what you see here will soon make its way onto production vehicles, while other enhancement may still be a few years off. (Photos: Jim Park)

Video

CARB Video Touts Clean Trucks

CARB Video Touts Clean Trucks

This video from the California Air Resources Board sings the praises of the state's cleaner-burning trucks and presents a good image of truckers as environmental stewards.

Article

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

Cummins ISX15 with waste heat recovery from the front-right side

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?