for trucks, regardless of where they are made:
"Higher tariffs typically discourage imports and reduce the volume of goods entering the country, which has a direct impact on freight and shipping. For example, tariffs on Chinese goods could lead to a notable decline in ocean freight volumes and, subsequently, truck shipments from ports to inland destinations."
https://www.iscmga.com/the-impact-of-higher-tariffs-on-the-transportation-industry/#:~:text=Higher%20tariffs%20typically%20discourage%20imports,from%20ports%20to%20inland%20destinations.