In China, there are an estimated 120 million electric bicycles, and they are gaining traction in the U.S. and elsewhere, especially with older riders.
The New York Times detects a trend.
I see a return of the moped.
My friends and I used to laugh at kids who had these in the 1960s because we considered them underpowered. Now, I laugh because they are overpowered.
Varsity Bike & Transit is the place to look locally if you're interested in the new ones.