Mostly empty shelves at a grocery store in Naples, Italy, on Thursday.

A weak currency has helped make Chinese goods more competitive overseas while raising the cost of imported products at home.

A line at a gas station in Moscow in June.

Sales of the Chevrolet Silverado were up, but the growth came from a light-duty version of the truck. Sales of heavy-duty Silverados slumped as Americans shift away from full-size pickups and S.U.V.s.

The Blue Water Bridge, connecting Sarnia, Ontario, and Port Huron, Mich., this month.

At the Port of Montreal, Frédéric Bonsaint, a Canada Border Services officer, inspects a stolen vehicle that was pulled from a shipping container destined for West Africa via Europe.

Prime Minister Mark Carney of Canada speaking about the trade dispute with the United States on Monday at the Davie Shipyard in Levis, Quebec.

Canadian Prime Minister Mark Carney addresses the trade dispute with the United States in Levis, Quebec, on Aug. 24.

China is requiring nine automakers to take measures to improve the reliability of retractable door handles popular on electric vehicles.

Dominic LeBlanc, the Canadian minister in charge of U.S. trade, arriving to meet with Jamieson Greer, the U.S. trade representative, on Thursday in Washington.

Giovanni Castellucci at a news briefing in Madrid in 2018. The collapse of the Morandi Bridge in Genoa became a source of national embarrassment, raising alarms about Italy’s aging infrastructure.

Land Rovers being transported from the Jaguar Land Rover factory in Solihull, England, last year.

The president of Solaric, a rooftop-solar installer based near Manila, said people were now seeing the technology as “a way to survive this new age.”

The businessman Malcolm Bricklin and Premier Richard Hatfield at the Bricklin factory in Saint John, New Brunswick. The company’s sports car was funded by the province.

Chinese-made electric vehicles awaiting export at the port in Hangzhou, eastern China, in May.

Morning traffic in Berlin in March.

High fuel prices are weighing on sales of vehicles that run on gasoline or diesel.

Recharging a Mustang Mach-E, Ford’s only electric vehicle right now.

Chinese-made cars waiting to be exported at a port in Suzhou, China, on Monday. China has sought to increase exports as demand has weakened at home.