world2024-05-21 13:42:4779272

China's four

The<strong></strong> prototype of China's self-developed and the world's first four-seater hydrogen-fueled internal combustion engine aircraft completes its maiden flight at an airport in Shenyang, northeast China's Liaoning Province, Jan. 29, 2024. (Photo/China News Service)

The prototype of China's self-developed and the world's first four-seater hydrogen-fueled internal combustion engine aircraft completes its maiden flight at an airport in Shenyang, northeast China's Liaoning Province, Jan. 29, 2024. (Photo/China News Service)

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