Stay on top of transportation news: [Get TTNews in your inbox .] Plus is considering listing its non-China businesses in a U.S. initial public offering, according to people familiar with the matter, after the self-driving-truck startup scrapped a merger with a blank-check company. The Cupertino, Calif.-based firm is working with advisers to privately raise fresh funds in a round valuing the entire business at about $3 billion, the people said, ahead of a potential traditional IPO for the U.S. and Europe businesses. Deliberations over an IPO for Plus are at an early stage and no final decision has been made,…