An aerial photograph taken on June 15, 25026 shows a farmer driving a combine harvester in a field of barley during harvest in Villafalletto, near Cuneo, northwestern Italy. (Photo by MARCO BERTORELLO / AFP via Getty Images)

An aerial photograph taken on June 15, 25026 shows a farmer driving a combine harvester in a field of barley during harvest in Villafalletto, near Cuneo, northwestern Italy. (Photo by MARCO BERTORELLO / AFP via Getty Images)

A farmer drives a combine harvester in a field of barley during harvest in Villafalletto, near Cuneo, northwestern Italy on June 15, 2026. (Photo by MARCO BERTORELLO / AFP via Getty Images)

A farmer drives a combine harvester in a field of barley during harvest in Villafalletto, near Cuneo, northwestern Italy on June 15, 2026. (Photo by MARCO BERTORELLO / AFP via Getty Images)

A farmer drives a combine harvester in a field of barley during harvest in Villafalletto, near Cuneo, northwestern Italy on June 15, 2026. (Photo by MARCO BERTORELLO / AFP via Getty Images)

(FILES) A man fills up his car with gazole at an Esso petrol station in Rely, northern France on March 5, 2026. Diesel prices have fallen back below 2 per litre in France, France's Ministry of the Economy announced on June 15, 2026. (Photo by Sameer Al-DOUMY / AFP via Getty Images)

A worker stands on a hydraulic platform outside a building under construction in Frankfurt am Main, western Germany, on June 15, 2026. (Photo by Kirill KUDRYAVTSEV / AFP via Getty Images)

Trader Patrick Casey works on the floor of the New York Stock Exchange, Wednesday, June 3, 2026. (AP Photo/Richard Drew)