This Summer Travel Season Could Forever Alter the Future of Sustainable Aviation Fuel
As the conflict in Iran disrupts the worldโs oil supply, airlines are looking for jet fuel alternatives. The answer: energy from used cooking oil and french fry grease.
As the conflict in Iran disrupts the worldโs oil supply, airlines are looking for jet fuel alternatives. The answer: energy from used cooking oil and
Read Full Story at Wired โWhy This Matters
The summer travel season isnโt just about crowded airports and delayed flightsโit could mark a turning point for the aviation industryโs carbon footprint. With geopolitical tensions squeezing oil supplies, the scramble for sustainable aviation fuel (SAF) isnโt just an environmental gesture; itโs becoming a strategic necessity. Airlines are no longer debating whether to adopt SAF, but how quickly they can scale production from unconventional sources like used cooking oil.
Background Context
The push for SAF predates the current crisis, but past efforts were hamstrung by cost and scalability. The International Air Transport Association (IATA) has long targeted net-zero emissions by 2050, yet only 0.1% of jet fuel today is SAF. The Iran conflict has accelerated this transition by disrupting oil markets, making alternatives like waste-derived fuels suddenly competitive. Meanwhile, the EUโs ReFuelEU Aviation mandate requires 2% SAF blending by 2025, forcing airlines to act now rather than later.
What Happens Next
Expect a surge in partnerships between airlines and biofuel producers, with used cooking oil becoming a high-demand commodity. Regulatory frameworks will tighten, but the biggest hurdle remains supply chain bottlenecksโcan waste collection and refining keep pace with demand? Watch for pilot programs testing higher SAF blends in commercial flights, as well as potential backlash from food industry groups over competition for grease resources.
Bigger Picture
This moment reflects a broader shift toward circular economies, where waste isnโt just discarded but repurposed into high-value products. The aviation industryโs pivot to SAF could set a precedent for other sectors, proving that even niche waste streams can drive large-scale change. Yet it also raises questions about scalabilityโif used cooking oil becomes a primary fuel source, will it create unintended competition with other industries relying on the same feedstock?

