Audi will have a suspension that recovers energy, the eROT, or Electromechanical Rotary Damper

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Suspensions have not always been the same. Citroën’s late hydropneumatic suspension is an example of that. It died due to costs and scale. But these matters can be overcome if the suspension helps in more aspects than just in ride comfort and safety. What if it helps reduce CO2 emissions? ...
Audi will have a suspension that recovers energy, the eROT, or Electromechanical Rotary Damper