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A long-discussed plan to deepen the lower Mississippi River by another five feet to accommodate larger ships has won a critical endorsement from the U.S. Army Corps of Engineers, which foresees nearly $110 million in annual net economic benefits to the project.

Ford Motor Co. will spend nearly $740 million to renovate the Michigan Central Station and other sites the automaker purchased in Detroit’s Corktown neighborhood, the company said Aug. 14.

Deb DeLuca was named the executive director of the Duluth Seaway Port Authority Aug. 13, becoming the first woman to hold the role.

The Port of Vancouver will hold a public workshop after its regularly scheduled meeting Aug. 14 to draft a vision statement detailing the future of the port.

Oklahoma state officials have held the first meeting of a task force that will study autonomous vehicles and how agencies and local governments should respond to the emerging technology.

One of Oklahoma’s fastest-growing companies, Mammoth Energy Services, continued to expand in the second quarter, buying up two more companies and securing new contracts throughout the country.

Self-driving vehicles typically are described as a disruptive technology that will make traditional modes of public transportation obsolete, but a recent announcement by Chandler-based Waymo is challenging that narrative.

The most ambitious rail project of California’s future is increasingly dependent on the cooperation of the very railroad that shaped the state’s past — and there are signs their relationship is growing strained.

WASHINGTON — Oil and gas executives have watched wearily in recent years as the relationship between the United States and Russia deteriorated, steadily closing off their ability to drill the vast shale plays underlying Siberia and the deep-water oil fields off Russia’s Arctic coast.