Which is the shipper electric car ?
I think you mean “cheaper” electric car not “shipper.” If you will research under “NEV” or “neighborhood electric vehicles” you will see smaller vehicles that have limited speed to comply with NEV laws and be street legal. Other electric vehicles try to reduce some expensive regulations by having only 3 wheels and therefore are legal as “motorcycles” and not subject to the same crash test requirements. There are a lot of people who are converting their ICE vehicles to electric. You might examine contacts with some of these as well. Being closely tied to the business their expertise might be very helpful. You may also have to consider exploring some photovoltaic information to provide off grid charging facilities. Let me know if you need more info. Hasta luego.