Consider writing about:
A growing backlash in some communities against e-bikes and related, or perceived, safety hazards, whether for riders, pedestrians, or drivers; how e-bikes are regulated in the United States; whether rules on users’ ages, license status, and vehicle speed limits vary widely from one jurisdiction to the next; recent or proposed legislation targeting the e-bike industry; prosecutions of parents whose children have been involved in serious or fatal accidents involving others; potential liability on the part of manufacturers or retailers.
Related information:
https://www.sfgate.com/california/article/oc-e-bike-war-22378782.php