How can I best maintain my Toyota Yaris's fuel efficiency?

I recently purchased a Toyota Yaris and I want to make sure I am getting the best gas mileage possible. What tips and tricks can I implement to maintain fuel efficiency?

Regularly check and replace air filters to improve engine performance and fuel efficiency.

Avoid aggressive driving and use cruise control on long trips to reduce fuel consumption.

Keep tires properly inflated to improve fuel efficiency and extend tire life.