Among its responses, FMCSA argued OOIDA had not shown evidence its members will experience a loss of business.
American Trucking Associations and the Association of American Railroads are backing a truck weight limit freeze.
The NHTSA also expects to issue a notice for a proposed rule to mandate speed limiting devices for heavy trucks.
The recommendation originally was issued Dec. 13, following NTSB’s meeting on a multi-vehicle Missouri accident.
Shell is making a major commitment to LNG development and estimates sizable infrastructure will be in place in five years.
Development is under way on creating new heavy-duty engine oils that will be used in truck engines to debut in January 2016.
Paccar, Navistar and Volvo have deferred shipments of Class 8 vehicles equipped with the defected part.
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