The National Highway Traffic Safety Administration (NHTSA) has issued a Final Rule amending Federal Motor Vehicle Safety Standard (FMVSS) No. 141 (Minimum Sound Requirements for Hybrid and Electric Vehicles) as proposed in the September 17, 2019, Notice of Proposed Rulemaking (NPRM) with respect to the sound requirements used in compliance tests for hybrid and electric vehicles. The agency has chosen not to adopt the remaining portions of the NPRM, including a proposal which would have allowed manufactures of hybrid and electric vehicles (HEVs) to install a number of driver-selectable pedestrian alert sounds in each HEV they manufacture. The driver-selectable alert sounds proposal is not being adopted because of a lack of supporting data. This Final Rule is effective as of August 12, 2022.
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