Aura's system, called electromagnetic valve actuation, relies on electromagnets to control the system.
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Then 320 nozzles inject the water into electromagnetic valves.
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While pneumatic valve springs have become standard in Formula One engines, Renault has been researching computer-controlled electromagnetic valve actuation ( EVA ) using no camshaft, to reduce moving parts while improving valve control.
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On models with automatic transmission, the brakes were equipped with an electromagnetic valve that maintained brake pressure at rest when the brake pedal was released to prevent the car from rolling back on an incline, hence its name " Hill Holder ".
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