Analysis raising concerns regarding the proposal to establish photometric requirements for Class B1 based on average real performance of present Class B (halogen/LED) without reference to design specifications such as the luminous flux of light source.
46. The expert from Poland proposed to introduce a new optional “Class B1” headlamp (ECE/TRANS/WP.29/GRE/2016/18). The proposal received remarks from the experts of Germany, Netherlands, UK, CLEPA, GTB and OICA. Some experts pointed out that they would need more time to study the proposal and that it could be considered by IWG SLR when developing performance-based requirements in the future (para. 9 (d) above). GRE invited all experts to send their comments to the expert from Poland and decided to keep this issue on the agenda of the next session.
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.