This is how the Start and Stop technology manages to reduce fuel consumption when you are stopped

behind the technology start and stop in cars there is a basic and simple idea; If the engine is stopped for short periods of time, reduces fuel consumption and also emissions. When we talk about stopping the engine for short periods of time, we are talking, for example, about doing it while waiting at a traffic light.

today you are going to learn what is start and stop technology in cars, how it works and other relevant aspects that you should know.

What is start and stop technology in cars?

start-stop technology detects when your car stops to stop the engine automaticallylater turns it back on when you hit the throttle. This technology was developed to greatly reduce the pollution caused by cars.

Especially those caused by emissions released into the atmosphere when cars, and especially trucks, are stopped or stuck in slow-moving traffic. When driving in densely populated urban areas it is very common to find yourself stopped with your car in traffic. Although logic tells us that we can turn off the engine, very few drivers do.

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This is where the start and stop technology comes into action, because it performs this action automatically. Which makes the car have less emissions and save fuel. Given the regulations on polluting emissions that the EU has made, which are very strict, car manufacturers have begun to implement this system more and more.

How does start and stop technology work?

This technology is completely automatic and works by detecting the lack of movement of the car. When the system detects through the ECU that the brake pedal has been pressed and the car is stopped and not in gear, start and stop shuts off the engine and cuts off the fuel supply.

When the driver presses the accelerator and releases the brake, start and stop will send a message to the ECU, start the engine and resume fuel supply. For cars with automatic transmission or double clutch, the start and stop system responds only to the actuation of the brake.

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What are the benefits of using start and stop technology?

It has two main benefits: Firstly, it is the pollution reduction. When the car is idling it creates useless pollution and when it is turned off it produces no emissions at all. No matter how small the reduction in emissions, it will always be very useful.

The second big benefit is fuel savings, which while not going to be a huge amount, can all add up. And the third benefit is that it’s quieter and more relaxing to sit in a car that doesn’t run while stationary than idling.

Disadvantages of using start and stop technology

Start and stop is not a perfect system and it also has its drawbacks, one of which is that this technology requires more components, specific and powerful batteries, much more robust starters and motor mounts.

Car manufacturers are being forced to comply with increasingly stringent emissions guidelines, but there does not seem to be any study that takes into account the levels of contamination caused during its production.

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Many people don’t like to feel like their car turns off automatically, and they just turn off the function when they get in the car.

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