This is already the case in Europe. We have:

Pedelecs up to 25 kmh, motor only supports pedaling, max 250 watt

- Regulated like bicycles

S-Pedelecs up to 45 kmh, motor only supports pedaling; and e-bikes with a throttle

- Need helmet (specific ones, not any bike helmet)

- Need license plate

- Need insurance

- Need small motorcycle driving license (included in car license)

- Minimum age 16

- Can't use bike paths