Welcome to the 4AIR newsletter! With growing interest and an acceleration of news and innovation around aviation sustainability, we’ve launched this newsletter to help you stay on top of recent important news and to learn more about emerging topics in the space.

Aviation Sustainability News From The Last Month

Three Solutions Helping Net-Zero Aviation Take Off - Sustainable aviation fuel (SAF), new engine designs and technologies, and new propulsion systems are all being developed as solutions to meet the industry goal of net zero emissions by 2050. Source: WEF

United, Tallgrass, and Green Plains Form Joint Venture to Develop New Sustainable Aviation Fuel Technology Using Ethanol - United, Tallgrass, and Green Plains created a new venture, Blue Blade Energy. Blue Blade Energy is expected to proceed with the construction of a new facility in 2024 to develop SAF from an ethanol-based feedstock. Source: United Airlines

FAA Implements More Efficient Descent Procedures to Reduce Fuel Burn, Emissions - The FAA is introducing 42 new Optimized Profile Descents (OPDs) that will allow planes to glide down safely from cruising altitudes into airspace for some of the nation’s largest airports instead of the fuel-consuming stair-step procedure. Source: FAA

4AIR Whitepapers

NEW: SAF and ICAOs Carbon Offset and Reduction Scheme for International Aviation (CORSIA) - Meanwhile, not any sustainable fuel will do. In order to be eligible for CORSIA, the SAF needs to be certified through approved mechanisms according to a set of criteria determined by ICAO…

NEW: A Brief Introduction To Emissions Trading For Aircraft Operators - Emissions trading schemes (ETS) and carbon markets are complex systems. They are made no less complicated by the fact that many businesses operate across borders where different schemes may be in place…

Other recent whitepapers

• Navigating Carbon Offsets: How to tell good offsets from bad offsets

• Unleaded Avgas: The SAF for Pistons?

• How Carbon Allowances differ from Carbon Offsets

Latest Announcement

Global Aerospace Partners with 4AIR to Provide Sustainability Services to its General Aviation Clients

“Global Aerospace, a leading provider of aerospace insurance, announced a collaboration with 4AIR. 4AIR delivers sustainability programs dedicated to aviation, providing a simplified and verifiable path for the aviation industry to achieve meaningful aircraft emissions counteraction and reduction.”

Read the full announcement here.

Have questions about sustainability or topics from this email?

We’re happy to help with any questions or explore sustainability solutions for you. Feel free to contact us anytime.