How to Improve Fuel Economy in Ford Focus?

I recently purchased a Ford Focus and I am wondering if there are any tips or tricks to improve its fuel economy. I am looking for practical advice that won't require any major modifications or expenses. Thank you in advance!

Regularly check your tire pressure to ensure they are properly inflated. Underinflated tires can increase fuel consumption.

Incorporate smooth driving habits such as gradual acceleration and deceleration, and avoiding rapid stops and starts. This can greatly improve fuel efficiency.

Keep your vehicle well-maintained with regular oil changes, air filter replacements, and tune-ups. This can help improve fuel economy and extend the life of your car.