29. The expert from Poland introduced a slightly revised proposal for a new optional ‘Class B1’ headlamp (ECE/TRANS/WP.29/GRE/2016/18 and GRE-76-26). The expert of CLEPA expressed a number of concerns over the proposal and pointed out that more time would be needed to analyse it in detail. The expert of IEC pointed out that the proposed measurement procedures should be clarified and that the proposal could benefit from editorial improvements. The expert of SAE supported the performance-based approach of the Polish proposal and offered to work with the expert from Poland on alternative requirements and evaluation methods for headlamps. GRE agreed that this issue should be dealt with by IWG SLR (stage 2 of the simplification process to introduce technologically-neutral and performance-based requirements), possibly through the establishment of a task force.
30. The expert of GTB presented the results of their study of minimum levels of flux projected in critical zones of the passing beam distribution of a H4 halogen reflector headlamp and a representative LED headlamp (GRE-76-25). Based on these results, he proposed to remove the design-specific requirement of a minimum objective flux (1,000 lm) for LED and halogen light sources and to replace it with a technology-neutral and performance-based requirement (GRE-76-04-Rev.1). The proposal received comments by the experts from France, Germany, Italy, Poland, UK, EC, OICA. As there was no unequivocal support to the proposal, GRE decided to keep it on the agenda of the next session and to pass it to IWG SLR at a later stage.