Hydrogen Gains Renewed Interest, But Challenges Remain

fuel-cell-powered airliner
NASA-funded Cheeta center is studying technology for a full-size fuel-cell-powered airliner.
Credit: University of Illinois Urbana-Champaign
Periodically, hydrogen rises to the surface as a way to reduce aviation emissions only to sink under the weight of challenges in using the high-energy, but low-density, fuel in aircraft. But interest in hydrogen is enjoying a resurgence as part of wider efforts to combat climate change. Report sees...
Graham Warwick

Graham leads Aviation Week's coverage of technology, focusing on engineering and technology across the aerospace industry, with a special focus on identifying technologies of strategic importance to aviation, aerospace and defense.

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