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How does the Audi A8's 48-volt electrical system improve fuel efficiency?

I've heard that the Audi A8 has a 48-volt electrical system, but I'm not sure how it differs from a traditional 12-volt system. Can someone explain how this technology works and how it contributes to the car's fuel efficiency?

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J

The 48-volt electrical system in the Audi A8 is a mild hybrid technology that stores energy from braking and coasting in a lithium-ion battery. This energy is used to power the car's accessories, reducing strain on the engine and improving fuel efficiency.

C

By using a 48-volt electrical system instead of the traditional 12-volt, Audi is able to implement a more efficient start-stop system that shuts off the engine when the car is idle. This contributes to overall fuel efficiency and also reduces emissions.

M

In addition to improving fuel efficiency, the Audi A8's 48-volt electrical system also allows for smoother and faster engine restarts, providing a more seamless driving experience.

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