Several leading trade associations, including the Association of Equipment Manufacturers (AEM), Truck & Engine Manufacturers Association (TEMA), the National Marine Manufacturers Association (NMMA), the Remanufacturing Industries Council, the American Rental Association (ARA), Associated Equipment Distributors (AED), the Heavy Duty Manufacturers Association (HDMA), and the American Bus Association (ABA)sent a letter to President Trump warning about the economic threat of the Section 232 Investigation on the national security implications of imports of automobiles, including cars, SUVs, vans, and light trucks, and automotive parts: