How can I improve my gas mileage on my Nissan Micra?

I recently purchased a used Nissan Micra and I've noticed that it gets relatively poor gas mileage. What are some tips or modifications I can make to improve its efficiency?

Firstly, make sure your tires are properly inflated. This can greatly affect your gas mileage. Secondly, try to avoid aggressive driving and sudden starts and stops. This can waste a lot of fuel. Lastly, consider getting your car tuned up and regularly maintained to ensure it is running at its optimal level.