
Fig. 1.
Relative specific fuel consumption for aircraft engines, plotted against certification year [8].

Fig. 2.
Conventional vs. hydrogen-electric airplane propulsion systems.

Relative specific fuel consumption for aircraft engines, plotted against certification year [8].

Conventional vs. hydrogen-electric airplane propulsion systems.
© 2025 Sebastian Piotr Kuk, published by ŁUKASIEWICZ RESEARCH NETWORK – INSTITUTE OF AVIATION
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