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U.S. trailer orders continued to mount in April, tightening the pressure on trailer makers to secure the components and labor needed to boost production amid the rising cost of materials.

Just last year, Apple was in the backseat of an increasingly crowded competition for self-driving cars with Google-owned Waymo, Tesla and Uber vying for an edge.

SCHAUMBURG, Ill. — The trouble with brakes is that so many things can go wrong. That was one of the takeaways from the first day of a two-day Commercial Vehicle Safety Alliance brake symposium aiming to educate motor carriers, commercial vehicle inspectors and technicians on the latest advances and challenges in keeping brakes in good working order.

When Jeff Harris, vice president of maintenance at USA Truck Inc., first started as an apprentice truck mechanic 29 years ago, he had a trade school diploma, a basic set of tools, a couple of crusty old mechanics who took him under their wing and showed him the ropes, and a desire to learn.

Downtown Las Vegas is under construction. The consistent rise in tourism and population persuaded city and state officials to invest in wider roadways, additional transit and walkability options, and improve connectivity across freight corridors.

As trucking fleets prepare for the availability of all-electric, plug-in Class 8 tractors, they are evaluating existing power capabilities at terminal locations and working through what’s needed for charging infrastructure to support these vehicles.

Uber Technologies Inc. plans to deliver food by drone in San Diego as part of a wide-reaching commercial test program approved by the federal government May 9, CEO Dara Khosrowshahi said.