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by pubstik 2270 days ago
More dense energy-wise than batteries can get. Its required for this concept to be a reality.
1 comments

That would be true if they weren't using fuel to power it, which they are. Part of the article shows the alternator they were possibly going to use.
You and the GP are in agreement.

The GP posted a sentence fragment, the expansion of which is presumably "[These generators and fuel are] more dense enegry-wise than batteries can get".