112. In addition to the informal documents from the previous sessions, three programmes of work were presented to AC.3. The representative of Japan introduced the Japanese future measures for vehicle safety for a society with no traffic accidents (WP.29-154-10), the representative of the EU presented the European Commission programme of work for 2011 – 2012 (WP.29-154-19) and the representative of the United States of America presented the USA Rulemaking and Research Priorities of the USA National Highway Traffic Safety Administration (WP.29-154-20). AC.3 noted that, among others, electric vehicles, including electric storage systems, e-mobility, protection to vulnerable user, and audibility of quiet vehicles were common priorities in the presentations and that they could be considered as priorities for future development of UN GTRs. The Chair of GRB said that the informal group on quiet vehicles would meet on 31 August 2011 in Japan. He requested guidance, pending a formal proposal, on to whether the informal group should proceed on the basis that a potential UN GTR be developed by the informal group. AC.3 endorsed this approach. Regarding batteries and electric vehicles, discussion took place regarding the importance of early coordination of research and regulatory activities and the possibility of devising a road map for a potential UN GTR similar to that developed early on for hydrogen vehicles. AC.3 also discussed the possibility of revising the terms of reference of the existing informal group on batteries and electric vehicles under GRSP instead of creating a new one. The Chair of AC.3 invited the representatives of EU, Japan and the Unites States of America to coordinate formal proposals for inclusion in the programme of work by AC.3 at its November 2011 session. The Chair also invited other Contracting Parties to present their priorities or to consider supporting the common priorities mentioned above. The representative of Australia raised the issue of motorcycles safety and recommended considering the possibility of making the installation of ABS mandatory in motorcycles. He suggested defer this matter to the November 2011 session of AC.3.