this post was submitted on 14 Jan 2025
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World's first carbon fiber metro train hits the tracks in China. Lighter frame claimed to slash energy use by seven percent. (www.techspot.com)
submitted 5 months ago by yogthos@lemmygrad.ml to c/technology@lemmygrad.ml
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[–] propter_hog@hexbear.net 12 points 5 months ago

7% is fucking huge for a train, where savings are vanishingly small already