Heavy Duty Trucking

AUG 2014

The Fleet Business Authority

Issue link: https://heavydutytrucking.epubxp.com/i/364502

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Page 11 of 109

Letters 10 HDT • AUGUST 2014 www.truckinginfo.com Write to us! Send your letters to Editor in Chief Deborah Lockridge via email at dlockridge@truckinginfo.com. Letters are subject to editing for length and clarity. ■ More than 121 ways to save fuel… I was eager to read your article about ways to save fuel but came away disappointed that the article failed to include propane injec- tion systems. The article did mention "Retrofit with dual- fuel aftermarket sys- tems" but limited it to CNG. Don't get me wrong. I think one day CNG will be a popular and widely used fuel. However, there is little or no infrastructure and the cost of con- version is high. Propane, on the other hand, is plentiful, has a wide ranging infrastructure and is relatively cheap to install. Plus, it has the potential to reduce cost per mile by around 20%, which I think is more than any on the 121 ideas except #1 and #59. Hopefully you address this lapse in future articles. Thanks for listening. Hugh A. Stafford Propane Conversion Specialists Davenport, Iowa Hours of service gets more attention Editor in Chief Deborah Lockridge's July editorial, "Hours of Service Insan- ity," dealt with the media frenzy fol- lowing a crash where a Walmart truck driver crashed into a limo, injuring comedian Tracy Morgan and killing another occupant. I drove about a million miles before entering management and have been in fleet management for over 22 years. Anyone who believes a rule change like the new 34-hour restart will dramatically impact safety has no concept of what drivers deal with every day. Drivers need flexibility to drive when alert and sleep when tired. Drivers need the option of taking a two-hour nap anytime during their duty period and having it not count against their 14-hour clock. They need the option of taking a half-hour break and not having it count against their 14-hour clock. Drivers need management that cares more about the driver's health and well-being than the freight in the trailer. Drivers need regulators and enforcement to use common sense in the develop- ment and application of regulations. Safety is a comprehensive, complex endeavor that requires cooperation, understanding, and commitment by all interested parties. Harold Jones via Truckinginfo.com comments Someone will always find a way to be within the law and still have been not within that same law by using common sense. He was legal, but was he tired, and if so, why did he not stop and take a break? Was his dispatcher pushing him that last 30 minutes? Or could this accident just been something that no one could have prevented? A true professional driver will only drive when he or she is alert and able to drive to the best of their ability, regardless of what some law says he can do, and still be within the law. Rick Oyler via Truckinginfo.com comments I am glad someone shared that the accident actually happened with the new HOS that is now in effect. I agree that five or six parts of the rules are OK. The restart provision is so confusing and the drivers don't know when the restart is available. It might be based on something that happened weeks ago and the driver may have to be off duty for much more than the 168 hours that are required. This causes a big loss in productivity and affects drivers' pay. Curt Petry via Truckinginfo.com comments No simple answers to underinflation Commenting on the online version of July's "Retread Your Way to Prosper- ity," one reader asked about the defini- tion of underinflation. Another reader responded: A simple answer is hard to come by. Under inflation is a relative term. It cannot be defined as a specific pres- sure for all tires or even tires of the same type, size, and load range. Rea- son being is that the ideal inflation pressure for a tire or set of tires varies with the amount of load it is carrying. Most, if not all of the major tire manufacturers have published tables available online that define recom- mended tire inflation pressures with respect to the amount of load the tire is carrying. Typically we run 80 psi in 295/75/22.5 G tires on tandem drives at 34,000 pounds total for both axles. This pressure is actually slightly higher than the chart recommends, but I have found that I get more even tread wear across the face of the tires at this pressure. Steer axle tires are the only place that we inflate tires to the tire manufacturers' max inflation pressure printed on the tire side wall. Automatically inflating a tire to the max load pressure stated on the side wall is old school and will give you shortened tread life, poorer traction, and a harsher ride. Gil Justiss via Truckinginfo.com comments Read more about tire inflation in "The Magic Number," www.truckinginfo. com/magicnumber.

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