How to improve fuel efficiency on a Ford Galaxy?

I recently purchased a Ford Galaxy and have been struggling with its fuel efficiency. What are some ways I can improve it?

Regularly maintain your vehicle by getting oil changes, tire rotations, and air filter replacements. This can help improve fuel efficiency.

Drive at a consistent speed and avoid sudden accelerations or decelerations. This can help with fuel efficiency.

Consider using a fuel additive or higher quality fuel to improve fuel efficiency.