Next time you sit next to a fat person on US Airways, not only can you blame them for your lack of comfort, but the cost of your ticket too.
According to this graphic, airlines used an estimated 350 million additional gallons of fuel to handle weight increases. Airline passengers gained 10 lbs on average between 1990 and 2000. This extra cost was passed onto all consumers, regardless of weight.
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Other interesting transportation facts about fat people include:
Americans consume 938 million extra gallons of gas/year due to increased passenger weight (2006 estimate.) That results in $4 billion in obesity related gasoline costs per year.
Commuter trains in New York are consindering a maximum seat capacity of 400 lbs (2012.)
Seats are being widened by 2.2 inches on New Jersey Transit.