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compression energy storage project suspended
That’s exactly what happened in Hunan Province’s salt cavern compressed air storage project – a sobering reminder that even promising renewable energy solutions face real-world roadblocks …
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underground air compression energy storage project
Now, 'underground' is also a word (single) which means under the surface of the ground. Whether 'beaten' is considered as 'defeating and killing ' both, you need to say that they are 'under the …