CONTENTS VOLUME 41 ISSUE 9 4 SAE & Member News 2 Strategic expansion and new endorsement signal busy future for SAE ITC 4 Sponsors share best reason to support Formula SAE Member Benefits 7 What's happening in Connexion+ TECH FOCUS: DECArBONizED AErOSPACE 8 Experts weigh in on the future of flight fuels 14 X-66: A giant leap for sustainable aircraft design 18 Here's a cool idea: Use less hydrogen 24 Aerospace & Defense Technology podcast explores electric aircraft power and engineering 24 Engineering Events 30 Plan to attend 33 Call for papers 34 Hot topics, cool solutions at upcoming thermal symposium Standards & Committees 38 Pyrometry standard updated with greater clarity and real examples 40 EP Systems battery technical fellow gives insight into new ARP Publications 43 Journal seeks submissions for special SAF and zero-carbon flight issue 45 Aerospace book spotlights 48 SAE's Sherry Nigam grows authors out of engineers Professional Development 50 Master modern engineering through SAE's two newest courses Advertising 53 Classified advertising 50 On the cover The aviation sector has its sights set on net-zero carbon emissions by 2050. Shutterstock/Yalcin Sonat UPDATE September 2024 1