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Auto elettriche e batterie

One-Pedal Driving

One-pedal driving lets you accelerate and brake with the accelerator alone, using strong regenerative braking to slow and stop the car when you lift off.

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Auto elettriche e batterie
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Definizione

One-pedal driving is a way of controlling an electric or hybrid car in which the driver accelerates and slows the vehicle almost entirely with the accelerator pedal alone, reaching for the brake pedal only rarely. It exists because the electric motor that drives the car can also act as a brake, and harnessing that ability through a single pedal makes driving smoother, more efficient and, for many people, more relaxing once the technique becomes second nature. It is a defining characteristic of the EV driving experience and is offered, in varying strengths, on most modern electric models.

The technique works through regenerative braking. When the driver lifts off the accelerator, the car's electric motor is switched into generator mode, so that instead of consuming energy to turn the wheels it is turned by them, producing electricity and creating a strong retarding force in the process. Pressing the pedal demands torque and the car accelerates; easing off reduces it; lifting off entirely applies firm deceleration, often strong enough to bring the car smoothly to a complete halt and hold it there on level ground.

The appeal lies in both efficiency and convenience. Because the deceleration recovers kinetic energy and returns it to the battery rather than dissipating it as heat in the brake discs, one-pedal driving meaningfully extends range, particularly in stop-start urban traffic where the car is constantly slowing and speeding up. It also dramatically reduces wear on the conventional friction brakes; many EVs driven this way go far longer between brake-pad and disc replacements than a comparable petrol car, and reduce the brake dust that contributes to particulate pollution.

The strength of the effect is usually adjustable. Drivers can typically select between several regeneration levels, from a gentle coasting feel resembling a conventional car to an aggressive setting that allows true one-pedal control, and some cars adapt the strength automatically using navigation or sensor data. This variety means the feature can suit both newcomers, who may prefer to ease in gradually, and enthusiasts who enjoy the directness of modulating speed with a single pedal.

There are important nuances. Regenerative braking has limits: when the battery is full or very cold it cannot absorb charge, so the available regeneration is temporarily reduced and the car may decelerate less than expected, which demands the driver's attention. The friction brakes always remain in place to provide the full stopping power needed for emergencies and hard stops, blending in seamlessly behind the regenerative effect. Closely linked to regenerative braking, the electric motor and the broader goals of EV efficiency and range, one-pedal driving is less a gadget than a fundamental shift in how an electric car is operated.

Punti chiave
  • Accelerate and brake using mainly the accelerator pedal
  • Lifting off triggers strong regen braking to slow or stop
  • Improves efficiency and cuts brake wear
  • Strength is adjustable; friction brakes still back it up
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one pedal driving