What can I do to improve the fuel efficiency of my Kia Rio?

I've noticed that my Kia Rio seems to use a lot of gas. What are some tips for improving its fuel efficiency?

Regular maintenance, such as changing the air filter and spark plugs, can greatly improve your Kia Rio's fuel efficiency.

Avoid aggressive driving habits, such as quick acceleration and high speeds, as they can greatly decrease your car's gas mileage.

Consider using a fuel additive to help clean your engine and improve fuel efficiency.