Don McLoudDon McLoud is the executive editor of Equipment World. He can be reached at [email protected].Top StoriesClass 7-8Trucking industry businesses weigh in on new truck tariffsPresident Donald J. Trump announced a 25% tariff on heavy-duty trucks, effective Oct. 1, after a months-long Section 232 investigation into manufacturing trucks as a matter of national security.EquipmentTrump announces 25% tariffs on heavy trucksClass 7-8Volvo opens order board for all-new VNRIndustryCARB proposes return to prior emission standardsComponentsChoosing the right valves for trailers