United States of America
15 Feb 2010 Proposed terms of reference for the informal group on quiet road transport vehicles (USA) GRB-51-18 2010-02-15 USA
8 Feb 2012 Proposed terms of reference for QRTV GTR informal group (USA) GRB-55-12 2012-02-08 Objectives for the proposed working group to develop a global regulation for "quiet road transport vehicles". In principle, the GTR would prescribe acoustic measures(audible vehicle alert systems or AVAS) for moving vehicles in electric mode to signal their presence. USA
9 Feb 2012 Revised proposal for terms of reference for the QRTV GTR informal group (USA) GRB-55-12/Rev.1 2012-02-09 Revised version of the scope, objectives, and procedures for the proposed working group on global noise standards for hybrid, electric, and similar "quiet vehicles". USA
18 May 2018 Final Rule: FMVSS Minimum Sound Requirements for Hybrid and Electric Vehicles (NHTSA and USA) GTRQRTV-06-04 2018-05-18 NHTSA USA
18 May 2018 FMVSS 141 Response to petitions on minimum sound requirements for hybrid and electric vehicles (NHTSA and USA) GTRQRTV-06-05 2018-05-18 NHTSA USA
18 Nov 2011 Proposal to develop a GTR on quiet vehicles (USA and Japan) WP.29-155-42 2011-11-18 USA Japan
22 Feb 2012 Quiet Road Transport Vehicles (QRTV) – GTR Development Phase (USA) WP.29-156-07 2012-02-22 Submission prepared by the United States outlining the background, scope, objectives, and organization of the proposed effort to develop harmonized pedestrian alert sound requirements for electric and hybrid-electric vehicles via a new UN global technical regulation. USA
14 Mar 2013 NPRM: Minimum Sound Requirements for Hybrid and Electric Vehicles (USA) WP.29-159-GAR1 2013-03-14 US notice of proposed rulemaking to set minimum sound levels for electric and hybrid vehicles. Supplemental document provided for convenience by GAR. USA
13 Apr 2012 Request for the development of a GTR on Quiet Road Transport Vehicles (USA) WP.29/2012/60 2012-04-13 Text prepared by the United States of America requesting the development of a new GTR on quiet road transport vehicles. USA
10 Aug 2012 Authorization to develop a GTR on Quiet Road Transport Vehicles (USA) WP.29/AC.3/33 2012-08-10 USA