Communication to GRSG of work within GRE concerning electromagnetic compatibility provisions for trolley buses (UN R10 and UN R107) and on approval of amendments to UN R7, 87, and 48 concerning lighting failure indicators that may impact UN R121 on telltales and indicators.

Presentation of issues raised during discussions of the GRE Task Force on EMC requirements with regard to the application of several UN Regulations to trolley buses depending upon their configuration (e.g., dual-mode operation either connected to overhead cables or in standard bus mode).