140. The representative of the United States of America informed AC.3 about the recent publication of the national rule on Minimum Sound Requirements for Hybrid and Electric Vehicles. AC.3 recalled that WP.29 agreed to extend the mandate of IWG QRTV GTR until December 2018 (see para. 35 above).

141. He clarified that under the new rule, all hybrid and electric light vehicles will be required to make audible noise when travelling in reverse or forward at speeds up to 30 kilometres per hour (about 19 miles per hour). He added that at higher speeds, the sound alert is not required because other factors, such as tire and wind noise, provide adequate audible warning to pedestrians. He clarified that manufacturers had until 1 September 2019, to equip all new hybrid and electric vehicles with sound emitting devices that meet the new federal safety standard. Half of new hybrid and electric vehicles must be in compliance one year before the final deadline. Finally, he stated that with the publication of this standard, NHTSA was now in a position to resume discussion of the draft UN GTR on quiet road transport vehicles.