A fuel truck fills up the Emirates Airlines Boeing 777-300ER with Sustainable Aviation Fuel (SAF), during a milestone demonstration flight while running one of its engines on 100% (SAF) at Dubai airport, in Dubai, United Arab Emirates, January 30, 2023. REUTERS/Rula Rouhana 

Staff is pictured next to the Emirates Airlines Boeing 777-300ER, during a milestone demonstration flight while running one of its engines on 100% (SAF) at Dubai airport, in Dubai, United Arab Emirates, January 30, 2023. REUTERS/Rula Rouhana 

Emirates Airlines Boeing 777-300ER, heading to take off during a milestone demonstration flight while running one of its engines on 100% sustainable aviation fuel (SAF) at Dubai airport, in Dubai, United Arab Emirates, January 30, 2023. REUTERS/Rula Rouhana 

A staff is pictured as he fills up the Emirates Airlines Boeing 777-300ER with Sustainable Aviation Fuel (SAF), during a milestone demonstration flight while running one of its engines on 100% (SAF) at Dubai airport, in Dubai, United Arab Emirates, January 30, 2023. REUTERS/Rula Rouhana 

Emirates Airlines Boeing 777-300ER, heading to take off during a milestone demonstration flight while running one of its engines on 100% sustainable aviation fuel (SAF) at Dubai airport, in Dubai, United Arab Emirates, January 30, 2023. REUTERS/Rula Rouhana 

Emirates airline planes are pictured at Dubai airport, in Dubai, United Arab Emirates, January 30, 2023. REUTERS/Rula Rouhana 

A view of Neste’s expanded NEXBTL Unit, which will be able to produce sustainable aviation fuel by the first quarter of 2023, in Singapore November 4, 2022. REUTERS/Isabel Kua 

Fueling truck drives past Ryanair aircraft Boeing 737-8AS at Riga International Airport, Latvia July 21, 2022. REUTERS/Ints Kalnins 

U.S. Navy Aviation Boatswain's Mate-Fuel crew stands on the flight deck of the USS Bataan, a U.S. Navy Wasp-class amphibious assault ship, ahead of "Fleet Week" 2022 in the North Atlantic Ocean off the coast of New York, U.S., May 24, 2022. Picture taken May 24, 2022. REUTERS/Andrew Kelly 

A Navy Aviation Boatswain's mate-Fuel, works on the flight deck of the USS Bataan, a U.S. Navy Wasp-class amphibious assault ship, ahead of "Fleet Week" 2022 in the North Atlantic Ocean off the coast of New York, U.S., May 24, 2022. Picture taken May 24, 2022. REUTERS/Andrew Kelly 

A Continental Airlines airplane is refueled at its gate at Newark Liberty International Airport in Newark, New Jersey, March 29, 2009. REUTERS/Gary Hershorn 

A general view of the Phillips 66 Company's Los Angeles Refinery, which processes domestic & imported crude oil into gasoline, aviation and diesel fuels, in Carson, California, U.S., March 11, 2022. Picture taken March 11, 2022. Picture taken with a drone. REUTERS/Bing Guan 

A general view of the Phillips 66 Company's Los Angeles Refinery, which processes domestic & imported crude oil into gasoline, aviation and diesel fuels, at sunset in Carson, California, U.S., March 11, 2022. Picture taken March 11, 2022. Picture taken with a drone. REUTERS/Bing Guan 

A general view of the Phillips 66 Company's Los Angeles Refinery, which processes domestic & imported crude oil into gasoline, aviation and diesel fuels, at sunset in Carson, California, U.S., March 11, 2022. Picture taken March 11, 2022. Picture taken with a drone. REUTERS/Bing Guan 

Pipelines are seen at the Phillips 66 Company's Los Angeles Refinery, which processes domestic & imported crude oil into gasoline, aviation and diesel fuels, at sunset in Carson, California, U.S., March 11, 2022. Picture taken March 11, 2022. Picture taken with a drone and slow shutter speed. REUTERS/Bing Guan 

A general view of the Phillips 66 Company's Los Angeles Refinery, which processes domestic & imported crude oil into gasoline, aviation and diesel fuels, at sunset in Carson, California, U.S., March 11, 2022. Picture taken March 11, 2022. Picture taken with a drone. REUTERS/Bing Guan 

A view of the Phillips 66 Company's Los Angeles Refinery (foreground), which processes domestic & imported crude oil into gasoline, aviation and diesel fuels, and storage tanks for refined petroleum products at the Kinder Morgan Carson Terminal (background), at sunset in Carson, California, U.S., March 11, 2022. Picture taken March 11, 2022. Picture taken with a drone. REUTERS/Bing Guan 

A SpaceX Falcon 9 rocket, with the Crew Dragon capsule, is fueled before its launch carrying four astronauts on a mission to the International Space Station at the Kennedy Space Center in Cape Canaveral, Florida, U.S. November 10, 2021. REUTERS/Joe Skipper 

The logo of Cote d'Azur airport is seen as an Air France aircraft operated with sustainable aviation fuel (SAF) produced by TotalEnergies, is prepared at Nice airport, France, October 1, 2021. REUTERS/Eric Gaillard 

An Air France aircraft, operated with sustainable aviation fuel (SAF) produced by TotalEnergies, is refueled before its first flight from Nice to Paris at Nice airport, France, October 1, 2021. REUTERS/Eric Gaillard 

An Air France aircraft, operated with sustainable aviation fuel (SAF) produced by TotalEnergies, is refueled before its first flight from Nice to Paris at Nice airport, France, October 1, 2021. REUTERS/Eric Gaillard 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is refueled at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Peter Gerber, CEO of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Peter Gerber, CEO of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Jochen Thewes, CEO of DB Schenker AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Peter Gerber, CEO of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is pictured at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is pictured at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is pictured at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is pictured at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is pictured at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Dorothea von Boxberg, member of the board of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Dorothea von Boxberg, member of the board of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Dorothea von Boxberg, member of the board of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Dorothea von Boxberg, member of the board of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Thorsten Meincke, member of the board of DB Schenker AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Jochen Thewes, CEO of DB Schenker AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Jochen Thewes, CEO of DB Schenker AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is refueled at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Peter Gerber, CEO of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Peter Gerber, CEO of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Peter Gerber, CEO of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Peter Gerber, CEO of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Peter Gerber, CEO of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Peter Gerber, CEO of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Peter Gerber, CEO of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is loaded at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is refueled at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is loaded at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is loaded at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is refueled at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is refueled at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is pictured at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is pictured at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is pictured at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Peter Gerber, CEO of Lufthansa Cargo AG and Dorothea von Boxberg, member of the board of Lufthansa Cargo AG attend the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Peter Gerber, CEO of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is refueled at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

A Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), is loaded at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski 

Peter Gerber, CEO of Lufthansa Cargo AG attends the presentation of a Lufthansa CO2-neutral Boeing 777 cargo aircraft, operated with sustainable aviation fuel (SAF), at Frankfurt airport, Germany, November 27, 2020. REUTERS/Ralph Orlowski