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WASHINGTON — As Silicon Valley and automakers attempt to steer the nation toward a future of driverless vehicles, a group of influential lawmakers remains concerned that bipartisan legislation now moving through Congress could leave consumers at risk by preventing states from demanding tighter safety regulations.

As self-driving vehicle experiments are launched in a few cities around the United States, Mercedes-Benz maker Daimler AG and a prominent auto supplier are launching a new one in the place that would seem most receptive: Silicon Valley.

U.S. Rep. Emanuel Cleaver recalls the days when, every morning at 10, his grandmother would walk to the post office in Waxahachie, Texas, to catch up with friends, family and other community members.

The sharpest statewide political battle this November will be fought over California’s still-new gas tax, with billions of dollars for road and transit upgrades at stake in a repeal measure that has now earned a place on the ballot.

The Port of San Diego has landed its biggest maritime contract in years with a European company that will transport steel and other goods through the Tenth Avenue Marine Terminal.

What can brown do for you? Apparently, it can fill a 1 million-square-foot warehouse along Route 33 in Palmer Township, Pa.

The Georgia and South Carolina port authorities are teaming up to ensure that cargo continues to move in the region.

ROCKFORD, Ill. — Cargo business is poised to maintain its upward trajectory at Rockford’s airport, which has positioned itself as a spoke in the airfreight network that Amazon is building so it can deliver its products without relying solely on traditional shippers such as UPS and FedEx.

A national shortage of truck drivers because of factors such as a competitive job market is making an impact on New York’s Long Island, forcing businesses to adapt, and driving up the pay of workers seeking to drive a big rig.