The Federal Motor Carrier Safety Administration is requesting public comment on an application for exemption from Stemco regarding a regulation about the location of rear identification lamps and rear clearance lamps.
FMCSA regulations require rear identification lamps and rear clearance lamps to be located “as close as practicable to the top of the vehicle.” Stemco is requesting for commercial motor vehicles equipped with the company’s TrailerTail aerodynamic device, which is mounted lower than currently allowed, to be exempt from the regulation.
While the TrailerTail aerodynamic device is currently mounted slightly below the roof of the vehicle, Stemco states that this offset prevents the device from delivering the maximum available fuel economy benefit as opposed to mounting it flush with the top of the vehicle, which may block the visibility of the rear identification lamps and rear clearance lamps.
Stemco argues that the alternative location will maintain a level of safety that is equivalent to or greater than what could be achieved without the exemption. In addition to the exemption request, Stemco is petitioning FMCSA to amend the current regulation.
The comment period is scheduled to end July 11.
Comments may be mailed to Docket Management Facility, U.S. Department of Transportation, Room W12-140, 1200 New Jersey Avenue SE, Washington, DC 20590-0001.
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