Bloomberg | Bloomberg | Getty ImagesThe aviation industry still sees so-called "sustainable aviation fuel" (SAF) as the only viable way to meet its decarbonization targets, even as opposition and the potential for higher costs for passengers pose obstacles to the fast-growing sector. SAF is a broad term describing fuel that is burned by an aircraft engine, but instead of using kerosene is derived from more sustainable sources. The planemaker said it is collaborating with producer HIF Global on the development of methane-based fuels, and investing in alcohol-to-jet fuel producer LanzaJet. But IATA's own forecast for SAF production to triple in 2024 to 1.9 billion liters would cover just 0.53% of aviation fuel demand for the year. "The truth is, it's going to be more expensive, you can't really sugarcoat that," said HIF Global's Clara Bowman.

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Persons: Neste, HIF, Buzz, Lauren Riley, Riley, Rick Nagel, You've, Clara Bowman, Bowman, United's Lauren Riley, HIF Global's Clara Bowman Organizations: SAF, Bloomberg, Getty, United Airlines, Chicago O'Hare International, Labour, Airbus, Farnborough Air, CNBC, International Air Transport Association, Acorn Capital Management, Porsche, HIF, Union's Renewable Energy Directive, Biden, Boeing, Google, Embraer Locations: Singapore, Chile, Texas, U.S, America