The container trailer with the scientist and the prototype is being pulled by a typical American truck with a hood up front. Since they are in Moldova, which is a part of the former Eastern bloc, it should be a European or Asian brand, or possibly a Russian Kamaz or Czech Tatra, and, of course, a cab-over instead of a conventional model.
It makes no sense for Lana to ask Archer for marital advice, especially not when the goal is to avoid a conflict. She would not even do that in private, let alone on a mission.