Gasoline is expensive and also bad for the environment, but a necessary evil in order to get from point A to point B. But if you thought you spend a lot of money on fuel, think again. Air France-KLM's fuel costs increased by 890 million euros (771 million GBP) last year compared to the year before. Their total fuel bill for 2012 amounted to a whopping 7.33 billion euros (6.35 billion GBP)! We're glad our cars don't run on jet fuel..