How to improve fuel efficiency in a Kia Rio?

I just bought a Kia Rio and I'm looking for ways to save on gas. What are some technical tips to improve the fuel efficiency of my car?

Regularly check and replace air filters to ensure proper air flow and fuel to air ratio.

Avoid unnecessary idling and speeding, as these can significantly decrease fuel efficiency.

Properly inflate tires to the recommended pressure to reduce rolling resistance and improve gas mileage.