How to increase fuel efficiency in the Kia Soul?

I have noticed that my Kia Soul is not getting the best fuel efficiency. What are some tips or modifications I can make to increase its fuel efficiency?

Regularly maintaining your Kia Soul will greatly improve its fuel efficiency. Make sure to get tune-ups and keep up with oil changes.

Avoid sudden accelerations and decelerations while driving. This can significantly improve your fuel efficiency.

Check your tire pressure regularly. Properly inflated tires can improve your fuel efficiency by up to 3%.