With such a limited supply, critics say airlines are making overly ambitious promises and exaggerating how quickly they can ramp up the use of SAF. "And we fear that at that point, that price eventually is going to trickle down to the passenger in some form of a ticket price." Suppliers are "going to be able to kind of set the price," Molly Wilkinson, an American Airlines vice president, said at the air show. Made from sources like used cooking oil and plant waste, SAF can be blended with conventional jet fuel but costs much more. Sustainable fuel, however, accounts for just 0.1% of all jet fuel.
Aviation produces 2% to 3% of worldwide carbon emissions, but its share is expected to grow as travel increases and other industries become greener. That means sustainable aviation fuel has become the industry's best hope to achieve its promise of net zero emissions by 2050. "It's a lot easier to pack a heavy battery into a vehicle if you don't have to lift it off the ground," said Gernot Wagner, a climate economist at Columbia University. Startups are working feverishly on electric-powered aircraft, but they won't catch on as quickly as electric vehicles. Climate Barometer newsletter: Sign up to keep your finger on the climate pulseĮven the massive orders at the show got a emissions-reduction spin: Airlines and manufacturers said the new planes will be more fuel-efficient than the ones they replace.īut most of those planes will burn conventional, kerosene-based jet fuel.Sustainability was a hot topic this week at the Paris Air Show, the world's largest event for the aviation industry, which faces increasing pressure to reduce the climate-changing greenhouse gases that aircraft spew. And it's going to take a while for the strategy to take off. The "Triple Seven" as it is also called, is the world's second largest twin-engine airliner and has now been converted one to one for X-Plane.When it comes to flying, going green may cost you more. The Boeing 777, a superlative of a long-range airliner is now also available for your flight simulator at home. Thanks to technical input from engineers, pilots and the Boeing © Corporation, one of the most advanced and complex simulations of an aircraft for X-Plane has been created.
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