Fuel hedging is very complicated - in fact you have to get to first year in any economics, finance degree or MBA before you can fully understand it. Failing that you would have to spend at least five minutes on the internet googling the topic.
But to put it in terms everyone can understand I will call upon Tim Robbins from Team America...
Tim Robbins: Let me explain to you how this works: you see, the corporations finance Team America, and then Team America goes out... and the corporations sit there in their... in their corporation buildings, and... and, and see, they're all corporation-y... and they make money.
Any questions, PM me;-)