Missing Research Notes

The original blog brief requests the use of research notes to compose a new editorial post; however, the research notes field provided in the input is empty or contains only closing tags.

Without source material or research notes, it is not possible to generate a factual, verifiable, and non-invented blog post regarding AI robotaxi developments for the specified date of 2026-06-18.

Please provide the relevant research notes, primary sources, or reporting details so that the article can be drafted in accordance with the editorial standards and citation requirements.