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  • The challenges with vehicle diagnostics today

    By David A. Kolman - Monday April 21, 2014
      As with everything, diagnosing vehicle issues has changed considerably as time has relentlessly moved on. In speaking with Mike Delaney, president and CEO of dedicated service and parts network WheelTime ( www.wheeltime.com ) at a recent industry...
  • Mega trends that are shaping the global commercial vehicle industry

    By David A. Kolman - Monday April 14, 2014
      The global commercial vehicle industry is at an important crossroad with globalization, technology development, regulations and emerging markets set to change the face of the industry in the next decade. That’s the word from officials with...
  • Which fleets are continuing to operate older trucks?

    By David A. Kolman - Monday April 7, 2014
      One of the topics covered by NTEA's newly released 2014 Fleet Purchasing Outlook is average fleet age and truck buying activity. For those of who may not be familiar with NTEA , it is the Association for the Work Truck Industry. According...
  • What makes tire pressure maintenance so difficult?

    By David A. Kolman - Monday March 31, 2014
    When not properly inflated, tires flex more under load. This produces heat and stress, which increases rolling resistance, and that wastes fuel. Truck tires inflated 10 psi below recommended air pressure levels can reduce truck fuel economy between 0.5...
  • The most disabling workplace injuries

    By David A. Kolman - Monday March 24, 2014
    Each year, Liberty Mutual Insurance’s Research Institute for Safety issues its Workplace Safety Index which identifies the top causes of serious, non-fatal workplace injuries based on information from Liberty Mutual workers compensation insurance...
  • One of my favorite tools for diagnosing A/C issues: anemometer

    By Richard Sheffield - Friday March 21, 2014
    One of my favorite tools for diagnosing A/C issues is the HT-81, a tool that is inexpensive and can be purchased from a variety of sources.  I do not use the HT-81 for temperature when doing diagnostics. I use it for air flow only. I don’t use an...
  • Pavement design and fuel economy

    By David A. Kolman - Monday March 17, 2014
    While vehicle and engine builders, along with government officials, are concerned with fuel economy and emissions, so, too, are those involved in infrastructure. Take researches at the Massachusetts Institute of Technology (MIT), by way of example...
  • Thoughts on the technician shortage

    By David A. Kolman - Tuesday March 11, 2014
      Fleet Maintenance recently received an e-mail from a reader about Joel Levitt’s management column, “What can we do about the lack of finding qualified technicians,” that appeared in its January/February issue. The e-mail, and Levitt’s...
  • In the middle of an emergency roadside service operation

    - Tuesday March 11, 2014
    Emergency roadside assistance was the cover story of Fleet Maintenance’s June 2011 issue. For that article, I spoke with a number of emergency roadside service providers, and I learned a lot in the process. I learned even more recently when I had...
  • What’s re-refining oil all about?

    By David A. Kolman - Tuesday March 11, 2014
      There are a lot of misconceptions about re-refined motor oils and lubes. Today’s re-refining processes are considerably different, and much more advanced, then when re-refining first began during World War II when everything was in short...