So he wants to amend a document that he specifically made un-amendable. He always has been a piece of work...
Range anxiety is in the what if scenario, can I go from Los Angeles to Las Vegas on one charge, batteries need to last longer and be cheaper or charge quicker. being universal and swappable wouldalso work.
Makezine made similar units without propulsion called them shovercraft because you had to have someone push you.
Temu, the online equivalent to Harbor Freight.