There are more than 90,000 taxis, Ubers and Lyfts in New York City, making it hard for those drivers — and everyone else — to maneuver through the streets.
Across the country, parents are expressing a mix of enthusiasm, contrition and uncertainty about the trendy mode of transportation.
The e-bike industry is booming, but many vehicles are not legal for teenagers, and accidents are on the rise.
Missy Cummings, who spent more than a year at the federal auto safety agency, said that drivers were putting too much trust in systems like Tesla’s Autopilot and that regulators needed to restrict their use.