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In F1 they also recover energy and charge battery or help power the electric motor (as explained in the article)

• TrickyRick 3y ago
  Until the new engine rules when it will be removed because it was deemed to expensive, complex and the technology didn't translate to road cars enough for them to justify the R&D.
  • chronogram 3y ago
    Which is a shame because it's the most fun part of the F1 engines to me.
    • genman 3y ago
      And the only thing that would justify this kind of global waste.