How do I improve fuel efficiency on my Kia Rio?

I've noticed that my Kia Rio is consuming more fuel than usual, what steps can I take to improve my car's fuel efficiency and save money on gas?

Regularly check and replace air filters to ensure the engine is running efficiently.

Maintain recommended tire pressure to reduce rolling resistance and improve fuel economy.

Avoid aggressive driving and sudden braking, which can significantly reduce fuel efficiency.

Consider using fuel additives or premium gasoline to improve fuel efficiency, but consult your owner's manual first.