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New hydrogen engine delivers over 60% efficiency with zero emissions
(interestingengineering.com)
this post was submitted on 29 Apr 2026
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Hydrogen
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This may be an option for emissions free vehicles that don’t have the space or payload for a big heavy battery. It could also be used for high torque applications where an electric motor and its battery would be very expensive and heavy, as stated in the article.
Airplanes