I would be a little surprised -- Amazon already has their own custom electric delivery trucks, and FedEx and UPS could probably order these from Oshkosh directly if they wanted. These vehicles are also optimized for mail, less for parcels. None of these players need to play backroom shenanigans.
That said, blatant corruption is just the name of the game at this point in America, so who knows.
That said, blatant corruption is just the name of the game at this point in America, so who knows.