Technical capability Commercialization and maintenance of battery-based electric drive units that can be refrigerated with luggage and people and can be mounted on ramps
Demand enough to produce or assemble a production cart and leave a production margin
Infrastructure movement needs to be paved with a well-organized path With a population concentrated at a certain distance, enough consumption
The need for security so that adult women can walk around the streets alone
Social awareness. Social consensus is that the one who steals the cart is the one in the world