sustainable aviation fuel (SAF)

The debate—and data—is unsettled about the environmental impact of using ethanol versus waste streams for SAF.

Our roundup of the main aerospace and defense stories making the news this week.

Tune in as Aviation Week editors speak with IAG Head of Sustainability Jonathon Counsell on aviation’s path to net zero, including reducing non-CO2 emissions.

Airlines participating in the EU emissions trading scheme (EU ETS) are being encouraged to claim up to €2 billion ($2.1 billion) in EU ETS allowances.

Commercial aircraft are currently only certified to operate with a 50% SAF blend.

The partnership will help grow 4AIR’s presence in the U.S., giving customers in the region access to 4AIR’s carbon offset and reduction programs.

U.S. ethanol producers have been lobbying the Biden administration to allow use of the GREET model.

The results of the SAF pilot program will be incorporated into CAAS’ Singapore Sustainable Air Hub Blueprint, which is set to be published in the coming months.

Use of the model is opposed by environmental groups that fear it could incentivize the production of fuels with uncertain emissions benefits.

The research was performed by German Aerospace Center DLR, Copenhagen Airport, Scandinavian Airlines and BP.

IATA Madrid conference focused on actions and urgency to grow SAF supply.

The report was commissioned by SkyNRG and SFS Ireland, in partnership with Avolon, Boeing and ORIX Aviation.

The industry is on the fast track to net-zero carbon emissions by 2050 but faces considerable hurdles, executives said at the NBAA-BACE show.

From leaf blower to quiet drone; Stratospheric 5G; Amazon’s new delivery drone; SAF burns cleaner.

Recorded live from NBAA-BACE 2023, Jeremy Kariuki, Molly McMillin, Guy Norris, Lee Ann Shay and Bill Carey share their favorite moments from the show.

Carbon cycle benefits of SAF are known, but will it help reduce the formation of persistent contrails? A Boeing and NASA flight test looks to find out.

The SAF will be blended with conventional jet fuel and supplied for Emirates’ flights departing from Amsterdam Schiphol and Singapore Changi airports.

Aviation industry sustainability experts considered SAF challenges and strategies at MRO Europe in Amsterdam.

Questions covered SAF feedstock, chemical processes, whether engines require modifications and knowledge of environmental benefits and global regulations.

The “Climbing Fast” campaign to project GA industry leadership on sustainability is part of an ongoing commitment to net-zero carbon emissions begun in 2021.

Giant miscanthus is a perennial grass that can be grown as an energy crop without competing with food crops for land.

China’s government has issued an outline to guide development of a green-aviation manufacturing industry by 2035.

If Ryanair Group wants to hit 300 million passengers a year by 2034, its operations will need to be sustainable. And that is likely to require SAF investments.

NBAA panelists noted that a limited supply of aircraft engines and other components is constraining aircraft OEMs from ramping up production too fast,

Daher now supplies 31 Part 135 charter operators in the U.S. with 49 Kodiak and TBM model turboprops.