On May 04, 2022 (87 FR 26317), the Federal Motor Carrier Safety Administration (FMCSA) published a Supplemental Notice of Proposed Rulemaking (SNPRM) in the federal register to follow up on the National Highway Traffic Safety Administration’s (NHTSA) and FMCSA’s jointly issued September 7, 2016 (81 FR 61942) Notice of Proposed Rulemaking (NPRM) on this subject. The SNPRM will propose that motor carriers operating Commercial Motor Vehicles (CMVs) in interstate commerce with a Gross Vehicle Weight Rating (GVWR) or Gross Vehicle Weight (GVW) of 11,794 kilograms or more (26,001 pounds or more), whichever is greater, that are equipped with an electronic Engine Control Unit (ECU) capable of governing the maximum speed be required to limit the CMV to a speed to be determined by the rulemaking and to maintain that ECU setting for the service life of the vehicle. With this notice of intent, FMCSA requests public comments and data regarding the adjustment or reprogramming of ECUs. Comments must be received on or before June 3, 2022.

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FMCSA 05-04-2022 ANPRM comments on Speed Limiting Devices