Late final 12 months, Vancouver-based aviation analyst Mark Miller purchased airplane tickets to carry his household of 4 to Rome this summer season. The Millers would spend Italy’s excessive season trawling town’s historic ruins, exploring the Vatican, and swooping right down to Sardinia to expertise the island’s dramatic sea cliffs, white sand seashores, and historic limestone caves.
5 months later, Miller, a commentator for CBC Information, watched in disbelief as Iran closed the Strait of Hormuz—a vital waterway between the Persian Gulf and the Gulf of Oman, by means of which practically 20 p.c of the world’s oil provide flows.
The unprecedented closure despatched world stockpiles of jet gas plunging, depleting strategic reserves within the UK, Germany, and France. “Experiences out of Europe stated that the gas provide might run low by finish of June, which was concerning the time we’d have been there,” Miller says. “The very last thing we needed to do is get caught in Europe.”
The provision scarcity has unfold to the US because the battle in Iran continues. On Thursday, an American Airlines spokesperson told USA Today that it will quickly droop a number of home routes in August and September on account of rising jet gas costs.
In the long run, the Millers canceled their journey, alongside thousands and thousands of summer season vacationers performing the identical psychological calculus. With carriers canceling 1000’s of flights upfront of potential gas shortages, Miller and different analysts have turned their consideration to sustainable aviation gas, generally referred to as SAF, which might lower emissions by as much as 80 p.c however prices two to 5 occasions the worth of standard jet gas. United Airways, Delta, American, and Cathay Pacific are among the many carriers now utilizing SAF.
“Proper now, typical jet gas seems to be twice as costly going into the summer season journey season,” says Lauren Riley, chief sustainability officer for United Airways. “That makes SAF appear like a extra aggressive different financially. In truth, it’s the closest to parity we’ve ever seen. That is the primary time in my profession that we’re truly having conversations about it.”
Earlier than the blockade, the summer season of 2026 was shaping as much as be a post-Covid comeback for business aviation. With the FIFA World Cup, America’s semiquincentennial celebrations, and Harry Kinds’ “Collectively, Collectively” world tour on faucet, demand for summer season journey had by no means been stronger, Riley says.
With rising costs and elevated demand, the airline trade is hopeful that SAF will help bridge the hole. Produced from renewable sources like used cooking oil and leftover french fry grease, SAF could be blended with typical jet gas instead with none want to change the plane’s design.
US conglomerate World Power started changing agricultural waste, fat, oils, and greases into SAF at its manufacturing facility in Paramount, California in 2016, turning into the gas’s first commercial-scale producer. “There’s hardly any distinction downstream of the remedy course of and the mixing course of,” says Joseph Ran, vice chairman of asset optimization for World Power. “You simply add a further mixing step of blending the SAF and the fossil gas.”
The expertise is straightforward, in response to Ran. The issue is making a dependable provide. Bottlenecks equivalent to shortage of uncooked supplies referred to as feedstocks, advanced infrastructure, and costly manufacturing processes have stored the trade’s use of SAF under 1 p.c of whole world jet gas consumption. World Power, which equipped SAF to United Airways, Air France, KLM, and others ended SAF manufacturing final 12 months “as a part of an total effort to higher focus firm sources,” in response to an organization spokesperson.
However this 12 months’s oil disaster has highlighted the necessity for a substitute for jet gas. “The closing of the strait has been a really vivid instance of overreliance on a single commodity,” says Scott Lewis, president of World Power’s Web-Zero Companies group. In April, United fashioned a consortium with Microsoft, DSV, and Houston-based multinational vitality firm Phillips 66 to scale manufacturing and unlock 11 million gallons of SAF.
