How do I increase the fuel efficiency of my Ford Focus?

I have a Ford Focus and I've noticed that it's been getting increasingly expensive to fill up. Is there any way I can improve its fuel efficiency? Any tips or tricks would be greatly appreciated!

The first thing you can do is make sure you are getting regular tune-ups for your car. This includes changing your oil, air filter, and spark plugs. A well-maintained car will run more efficiently.

Another way to improve fuel efficiency is to reduce excess weight in your car. If you have a lot of unnecessary items in your trunk, that extra weight can actually decrease your mileage.

Additionally, make sure your tires are properly inflated. Underinflated tires can decrease your fuel efficiency by up to 3%. Keep them at the recommended PSI.

Consider using a fuel additive. While they may not be necessary for newer cars, older cars may benefit from additives that clean and lubricate the engine, resulting in better fuel efficiency.