YouTuber Aging Wheels bought one ... the Twike (it's actually called the Twike 3, but we'll stick with Twike for simplicity), which is neither a bike nor a car, but something in between.

An e-bike is only allowed a maximum of three wheels. There is a classification that sounds promising, the Light Quadricycle, but that class is up to 425 kilograms, and nothing about being pedal ...