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Parts and Accessories Necessary for Safe Operation; Denial of the International Window Film Association's Exemption Application

Denial of exemption application.
FMCSA denies an exemption application from the International Window Film Association (IWFA) to allow the use of glazing in the windows to the immediate right and left of the driver that does not meet the light transmission requirements specified in the Federal Motor Carrier Safety Regulations (FMCSR). The current rule permits windshields and side windows of commercial motor vehicles (CMVs) to be tinted as long as the light transmission is not restricted to less than 70 percent of normal. While IWFA contended that a reduction of light entering the truck cab interior can (1) significantly improve driver comfort, (2) reduce eye strain, and (3) reduce the heat load of the interior environment, thus making the driver more comfortable as well as lowering energy use for cooling, it failed to provide any evidence that motor carriers operating CMVs equipped with glazing that blocks more normal light than currently permitted will achieve a level of safety that is equivalent to, or greater than, the level of safety that would be obtained by complying with the regulation.

Details

06/11/2015
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2015-14272
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FMCSA-2013-0436
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