The strain of a 34-day partial government shutdown is weighing on the nation’s air-travel system, both the federal workers who make it go and the airlines that depend on them. Air traffic controllers and airport security agents continued to work without pay — they will miss a second biweekly paycheck Jan. 25 — but high absentee rates raise the threat of long airport lines, or worse.

DALLAS — Higher oil prices propelled Exxon’s third-quarter profit up 57% to $6.24 billion despite another drop in production. It was Exxon’s best third quarter since 2014, when the effects of a collapse in oil prices had not yet been felt, and a sign that Big Oil is coming back.

DALLAS — America’s rediscovered prowess in oil production is shaking up old notions about the impact of higher crude prices on the U.S. economy.

DALLAS — Shortly before the Trump administration announced a new round of tariffs against Chinese goods, FedEx Corp. leaders tried to assure investors Sept. 17 that a widening trade war will have little direct effect on the company.

The United States has nosed ahead of Saudi Arabia and is on pace to surpass Russia to become the world’s biggest oil producer for the first time in more than four decades.

New tariffs on imports from China may leave American companies with a choice — pay a higher freight bill now or pay the tariffs starting soon.

U.S. authorities are requiring airlines to give them more notice about certain types of cargo that officials believe may pose a security risk.

DALLAS — Hurricane Harvey is sending pump prices higher for U.S. motorists and causing temporary shifts in the flow of oil and gasoline around the world after taking down a huge chunk of U.S. refining capacity.