Add Yahoo as a preferred source to see more of our stories on Google. A teenager gives a friend a ride on a throttle-assisted e-bike near White Hill Middle School, in Fairfax, Calif., in April. School ...

On a recent sunny afternoon, Dylan Nussbaum and his friends cruised over to a shopping center in Mill Valley, where the parking lot serves as a makeshift bike park. The kids popped wheelies — making ...

The growing popularity of electric bikes and electric scooters – especially among youth — see riders taking over sidewalks, streets and trails, often sending pedestrians scurrying and municipal ...