How to improve the Ford Fiesta's fuel efficiency?

I have a Ford Fiesta and I'm looking for ways to improve its fuel efficiency. What changes can I make to improve its gas mileage?

One way to improve the fuel efficiency of your Ford Fiesta is to keep up with regular maintenance, such as changing air filters and spark plugs.

Another way is to inflate your tires properly and avoid unnecessary idling. This can greatly improve your gas mileage.

Consider using a fuel additive or switching to a higher quality gasoline. This can also improve the efficiency of your Ford Fiesta.