Based on the provided context, there is no direct mention of the SMMT (Society of Motor Manufacturers and Traders) or any new product development related to it. The context primarily discusses:
1. Ehang’s progress in unmanned aerial vehicles (UAVs), including infrastructure development and operational standards .
2. Biogen’s R&D pipeline and external innovation strategy .
3. Tesla’s production scaling and robotaxi plans .
If you are referring to a different organization or sector (e.g., automotive industry associations), please provide additional context for clarification. Otherwise, no SMMT-related product development details are available in the given excerpts.