The action terminates rulemaking initiated by the agency's granting of a petition for rulemaking submitted by the American Automobile Manufacturers Association (AAMA) concerning the Federal motor vehicle safety standard on light vehicle brake systems. The standard currently uses data from the cold effectiveness tests to establish performance levels for the "hot performance" and "recovery performance" test requirements. AAMA requested use of a different procedure for establishing these performance levels, which would be based on three new constant deceleration stops.
The agency has decided to terminate this action because the procedures AAMA requested would not assess the effect of heat on light vehicle braking systems any more accurately or repeatably than the procedures currently specified in the standard. In addition, the procedures currently specified in the standard are presently harmonized with the procedures in the counterpart standard established by the United Nation's Economic Commission for Europe (ECE) for light vehicle brake systems. Absent sufficient safety reason to change the existing procedure, and considering that such a change would move NHTSA's standards away from harmony with the ECE standards, the agency has decided to terminate its consideration of the requested change.
Document Subtype:
Federal Register Publication
Received Date:
February 24 1999, at 12:00 AM Eastern Standard Time
Page Count:
4
Comment Due Date:
February 25 1999, at 11:59 PM Eastern Standard Time
U.S.DOT/NHTSA - Terminiation of Rulemaking - Federal Motor Vehicle Safety Standards: Light Vehicle Brake Systems
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