What is the purpose of the Eco Mode feature in the Kia Rio?

I saw that the Kia Rio has an Eco Mode feature. What is the purpose of this feature and how does it work?

The Eco Mode feature helps to optimize fuel efficiency by adjusting the engine and transmission settings for smoother and more efficient driving.

Using Eco Mode can also reduce emissions and contribute to a cleaner environment.

If you're driving in stop-and-go traffic or city streets, Eco Mode can help save fuel and improve overall performance.