Spain's Prime Minister Pedro Sanchez, left, embraces Brazil's President Luiz Inacio Lula da Silva at the end of the Global Progressive Mobilisation summit in Barcelona, Spain, Saturday, April 18, 2026. (AP Photo/Joan Monfort)

FILE - Workers refuel an Airbus A350 with sustainable aviation fuel at Roissy airport, north of Paris, Tuesday, May 18, 2021. (AP Photo/Christophe Ena, File)

The price of jet fuel has surged since the start of the Iran war. (AP Digital Embed)

FILE - A worker prepares to fuel a United Express aircraft after it arrived at a gate at Dallas-Fort Worth International Airport, Thursday, Jan. 15, 2015, in Grapevine, Texas. (AP Photo/Tony Gutierrez, File)

A Philippine Airlines plane takes off from Los Angeles International Airport in El Segundo, Calif., on Friday, April 17, 2026. (AP Photo/Damian Dovarganes)

Iran's Deputy Foreign Minister Saeed Khatibzadeh talks during an interview with Associated Press at the Antalya Diplomacy Forum, in Antalya, southern Turkey, Saturday, April 18, 2026. (AP Photo/Riza Ozel)

Iran's Deputy Foreign Minister Saeed Khatibzadeh talks during an interview with Associated Press at the Antalya Diplomacy Forum, in Antalya, southern Turkey, Saturday, April 18, 2026. (AP Photo/Riza Ozel)

Iran's Deputy Foreign Minister Saeed Khatibzadeh talks during an interview with Associated Press at the Antalya Diplomacy Forum, in Antalya, southern Turkey, Saturday, April 18, 2026. (AP Photo/Riza Ozel)