Hear testimony from U.S. builders and from importers in the trailer trade war, how Canada is caught in the middle by the recent ruling, and what's next for OEMs and the market. A high-stakes trade dispute could reshape the North American trailer market. U.S. manufacturers say low-priced imports from China, Mexico, and Canada are harming domestic production. Importers argue the industry’s struggles stem from the prolonged freight downturn, not unfair trade.