Engine Smarts

41  -  60  of  61

April 13, 2011

Engine Smarts: New directions in aftertreatment

You may not know that Navistar owns a subsidiary company called PurePower Technologies, formed last year, which has just announced the purchase of the Eaton Corporation's aftertreatment business. And it says the solid-ammonia dosing technology developed by a small Danish compan

April 10, 2011

Dealer of the Year Nominees Talk About 2010 Engines

The five nominees for the American Truck Dealers/Heavy Duty Trucking Truck Dealer of the Year report that new engines meeting the 2010 emissions standards so far seem to be causing fewer problems than their 2002/04 and 2007 counterparts, and that support from the manufacturer is significantly improved

March 29, 2011

Engine Smarts: Cummins Says Engine Focus Shifting to Fuel Economy

LOUISVILLE, Ky. - Noting that fuel economy will be key to competitiveness among engine makers in the next decade, Cummins says real-world data has confirmed that its EPA-2010 spec ISX15 engine delivers 6 percent fuel economy improvement over its 2009 product. Some customers could see even better results thanks to "significant calibration improvements

February 23, 2011

Engine Smarts: A Game-Changer Engine?

You'll be hearing a lot about the 'OPOC' engine in the next little while, and maybe for a long time to come.

January 7, 2011

Engine Smarts: No Answers Yet

By way of a brief introduction to this first of several Engine Smarts columns to come, let me start by admitting to a lifelong fascination with the hardware of trucking

December 21, 2010

Engine Smarts: Navistar's ProStar+ Cooling System Features Dimpled Radiator Vanes, Multi-Speed Fan

"We're experts in cooling. It's not that we wanted to become experts, but that is what it has taken," said Ramin Younessi, Navistar's vice president of powertrain and strategy. He was talking of the development of the cooling systems to support the 12.4-liter MaxxForce 1

November 8, 2010

Engine Smarts: SCR vs. EGR - Curiouser and Curiouser

A recent request for help with understanding different emissions technologies to reach the Tier 4 Interim and Final off-highway emissions rules reopened the cooled EGR vs. SCR debate for me

October 14, 2010

Engine Smarts: An Injector Discovery in Germany

At the recent bi-annual Hannover, Germany, trucking show -- more specifically, the 63rd IAA -- there were so many show exhibits that a dedicated journalist could spend the entire 10 days hunting for meaningful news

September 24, 2010

Engine Smarts: A Carbon-Free Fuel?

On a recent visit to Woodland Park, Colo., -based Sturman Industries, I was privileged to view the first beginnings of Eddie Sturman's crank-free internal combustion engine

September 15, 2010

Engine Smarts: Prognostic Failure Prediction Reduces Unplanned Downtime, Cuts Maintenance Costs

There is an upside to EPA's 2010 emissions regulations.

August 17, 2010

Engine Smarts: SuperTurbo Project Could Increase Fuel Economy 5-7%

An easily-missed announcement of a joint development program between Cummins and a start-up, VanDyne SuperTurbo, points the way to a future technology that could result in as much as 7 percent fuel savings for heavy trucks

August 3, 2010

The SCR Inducement Battle Wages On

"Inducement" is a word that is getting much play in the Selective Catalytic Reduction debate right now.

July 13, 2010

Innovators Talk Engine Tech

We spoke with several of Heavy Duty Trucking's 2010 Truck Fleet Innovators to get their thoughts, experiences and purchase plans regarding the new EPA 2010 engines

June 22, 2010

Heavier Front Axles: What do They Mean for Spec'ing Engines and Other Components?

When the International ProStar was first introduced, my colleague Jim Park and I drove one, with a loaded trailer, from Los Angeles to Tacoma, Wash., to evaluate the truck over a good run and to deliver it to Cascadia International.

June 3, 2010

25 Percent Better Fuel Economy?

The economy mandate for medium and heavy duty trucks, signed by President Obama in a May 21 Rose Garden ceremony, has been greeted by the industry with broad support. This is maybe a little surprising

May 18, 2010

Better Fuel Economy ... From Air?

International has made a major bet on its 11- and 13-liter MaxxForce engines to take the place of current 15- and 11/12-liter power units

May 2, 2010

Top Dealers Talk EPA 2010

This year's nominees for the American Truck Dealers/Heavy Duty Trucking Truck Dealer of the Year say fleets are holding back on buying new 2010-technology engines, not because of concerns about how well the new engines will work, but because the high price is hard to swallow for fleet

November 25, 2009

Worth the Weight

With 2010 almost upon us, we have now had the opportunity to touch, feel and drive both technologies to meet the upcoming emissions limits, set for Jan.

June 10, 2009

Something In The Air

There have been a lot of new product launches at the spring truck shows, as you'll see in this month's cover story. Despite the faltering economy, there's been no let-up in that activity

June 3, 2009

Deadlines, Deadlines

Navistar International is pressing for a delay in the implementation of the 2010 emissions mandate, pushing it back from the Jan. 1 deadline


We offer e-newsletters that deliver targeted news and information for the entire fleet industry.


ELDs and Telematics

sponsored by
sponsor logo

Scott Sutarik from Geotab will answer your questions and challenges

View All

Sleeper Cab Power

Steve Carlson from Xantrex will answer your questions and challenges

View All