So I be had the Infinite Flight update for a few days, and I have no idea how fuel works. Can someone tell me how Infinite Flight Fuel works?

Hi there and welcome to the community. Since you are new I have provided a few good links to help you better understand fuel, range and calculations. We are glad to have you here and are happy to assist you whenever we can.

Have a look at the community faq/guidelines and the explanation of trust levels as these will help you enjoy your stay. Kind Regards, Chris Levet