How to maintain good fuel efficiency in a Volkswagen Polo?

I recently bought a Volkswagen Polo and I noticed that the fuel efficiency has been decreasing. What are some tips and tricks to maintain good fuel efficiency in this car model?

First and foremost, make sure to regularly check and replace your air filter. A dirty air filter can greatly affect the fuel efficiency of your car.

Avoid unnecessary idling and heavy acceleration. These habits can greatly increase fuel consumption in your Volkswagen Polo.

Consider using premium gasoline instead of regular. Although slightly more expensive, premium gas can provide better fuel economy.