Next-Generation Aircraft Propulsion: A Comparative Analysis of Aviation Energy Sources

This analysis evaluates eight energy source candidates for next-generation aircraft propulsion based on energy density, storage requirements, infrastructure compatibility, and design implications. The study recommends drop-in Sustainable Aviation Fuel (SAF) as the optimal near-term solution, balancing performance, cost, and emissions reduction while minimizing certification risk.

February 8, 2026 · 9 min · 1876 words · Kayra Sari