Possibly government surplus: https://www.gsaauctions.gov/auctions/home https://www.gsaauctions.gov/auctions/home Although I suspect since the transition will t

Possibly government surplus: https://www.gsaauctions.gov/auctions/home https://www.gsaauctions.gov/auctions/home Although I suspect since the transition will take a long time, the "retired" vehicles will be kept for spare parts where the old vehicles are still being used, and many will still be kept just in case.