More From NOx

The Greening of the Fleet: EPA regulations reduce emissions by more than 95 percent (INFOGRAPHIC)

The Greening of the Fleet: EPA regulations reduce...

Posted by Amanda Bayhi on Apr 22, 2013

In honor of Earth Day, our sister site, Equipment World, created an infographic about the effectiveness of EPA regulation since 1996. Click ...

Oil analysis in the Tier 4 era

Oil analysis in the Tier 4 era

Posted by Tom Jackson on Jan 01, 2013

Engines run hotter. Power density increases. EGR rates rise. Combustion produces more acid. Soot thickens the oil like flour in ...

The inner-workings of Komatsu’s Tier 4 Interim engines

The inner-workings of Komatsu’s Tier 4 Interim...

Posted by Tom Jackson on Nov 01, 2012

Physics and chemistry dictate that most Tier 4 Interim engines follow a common design formula to reduce emissions. Above 75 ...

Product Report

Product Report

Posted by Equipment World Staff on Nov 01, 2011

A new breed of Cat The D8T dozer, K-Series wheel loaders and E-Series excavators point the way to a safer, more ...

Harvard report: Traffic congestion linked to 2,200...

Posted by Equipment World Staff on Jun 02, 2011

Traffic congestion is not just costing us money. Now it's costing us our health. According to a Harvard report, traffic congestion ...

Harvard report: Traffic congestion linked to 2,200...

Posted by Tina Grady Barbaccia on Jun 01, 2011

Traffic congestion is not just costing us money. Now it's costing us our health. According to a Harvard report, traffic congestion ...

RoadWorks

RoadWorks

Posted by Brooke Wisdom on Feb 01, 2011

By John Latta, Tina Grady Barbaccia and Mike Anderson     PIRG Blasts Highway Advocates; ARTBA Blasts PIRG The report is nothing if not ...

Road Science

Road Science

Posted by Brooke Wisdom on Dec 01, 2010

Gaining influence in 2011 By Tom Kuennen, Contributing Editor There are big changes on the way for a number of existing infrastructure ...

RoadWorks

RoadWorks

Posted by Brooke Wisdom on Nov 01, 2010

Changes Coming Thick and Fast from “Activist” EPA Is the federal Environmental Protection Agency (EPA) close to creating, by coincidence, a ...

RoadWorks

RoadWorks

Posted by Brooke Wisdom on Nov 01, 2010

Changes Coming Thick and Fast from “Activist” EPA Is the federal Environmental Protection Agency (EPA) close to creating, by coincidence, a ...

Special Report

Special Report

Posted by Brooke Wisdom on Sep 06, 2010

Tier 4 Interim Big changes in store for new equipment next year … and 2012 … and 2014. By  Tom Jackson It’s just ...

Navistar, EPA reach agreement on lawsuit

Posted by Tina Grady Barbaccia on May 04, 2010

Warrenville, Ill.-based  Navistar International Corporation on May 3 reached an agreement with the Environmental Protection Agency (EPA) in which EPA ...

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