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)

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

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)

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)

Bodies of victims are seen at the site where a gunman killed at least six people in the streets before being shot dead by police, in Kyiv, Ukraine, Saturday, April 18, 2026. (AP Photo/Dan Bashakov)

A police officer is seen at the site where a gunman killed at least six people in the streets before being shot dead by police, in Kyiv, Ukraine, Saturday, April 18, 2026. (AP Photo/Dan Bashakov)

A police officer inspects the site where a gunman killed at least six people in the streets before being shot dead by police, in Kyiv, Ukraine, Saturday, April 18, 2026. (AP Photo/Dan Bashakov)