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NEW YORK — Kansas City Southern has abandoned its agreement to be acquired by Canadian Pacific, choosing instead a competing bid from Canadian National Railway with a bigger price tag, but also greater regulatory risks.

Gas shortages at the pumps are spreading from the South to the Mid-Atlantic states, where Virginia and the District of Columbia have become some of the hardest hit areas after a cyberattack that forced a shutdown of the nation’s largest gasoline pipeline.

Colonial Pipeline, the nation’s largest fuel pipeline, restarted operations May 12, days after it was forced to shut down by a gang of hackers.

MEMPHIS, Tenn. — Repairs to the Interstate 40 bridge linking Arkansas and Tennessee could take months after a crack was found in the span, forcing thousands of trucks and cars to detour and shutting down shipping on a section of the Mississippi River, a transportation official said May 12.

Drivers waited in long lines at gas stations in the Southeast on May 12 after a hack of the nation’s largest fuel pipeline led to distribution problems and panic buying, draining supplies at thousands of gas stations.

WASHINGTON — Hit by a cyberattack, the operator of a major U.S. fuel pipeline said it hopes to have services mostly restored by the end of the week as the FBI and administration officials identified the culprits as a gang of criminal hackers.

WASHINGTON — The operator of a major U.S. pipeline hit by a cyberattack said May 10 it hopes to have service mostly restored by the end of the week.

The U.S. Transportation Department is moving to reverse former President Donald Trump’s bid to end California’s ability to set its own automobile tailpipe pollution standards.

DETROIT — The U.S. government’s highway safety agency is investigating complaints that the air bags may not inflate in a crash on thousands of General Motors vehicles.

DETROIT — The global shortage of semiconductors has forced General Motors and Ford to further cut production at their North American factories as chip supplies seem to be growing tighter.