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U.S. automakers and parts suppliers were among the sectors hit hardest in early trading May 31 after President Donald Trump’s threat to impose a tariff of up to 25% on Mexican goods. General Motors Co. and Ford Motor Co. each fell more than 3%.

JWF Defense Systems will provide the armored cab system for the M917A3 Heavy Dump Truck contract the U.S. Army awarded to Mack Defense, a unit of Volvo Group.

Navistar International Corp. has agreed to settle a federal class-action lawsuit over the exhaust gas recirculation setups the company used on its previous MaxxForce 11-liter or 13-liter diesel engines, according to a news release from a law firm representing the plaintiffs.

The average used Class 8 brought a sharply higher sales price in April, even as inventories appear to be building, ACT Research reported. The average price was $48,532, up 15% compared with $42,100 a year earlier.

Aerodynamic devices intended to calm turbulence and improve fuel efficiency for heavy-duty vehicles come in many shapes and sizes — from wheel covers to fairings over, under and behind trailers. Now a group of investors has provided additional support to XStream Trucking Inc., whose TruckWings device automatically encloses the area between the tractor and trailer.

E-commerce, growing at 15% a year, is driving a second boom in Georgia’s robust warehousing and logistics industry, which employs about 118,000 packers and material handlers across the state.

Towering over the Port of Baltimore’s Seagirt Marine Terminal, Evergreen Line’s containership Triton arrived in the predawn hours of May 24 after navigating the Chesapeake Bay carrying 14,424 containers, making it the largest container vessel to dock in Maryland.