Jet fuel today costs several times what it did 10 years ago. But it's nothing compared to what it was last summer, or in the great price spike of 2008. So airlines have become OCD about fuel efficiency.
We're talking about stuff like using lighter paper for in-flight magazines. Taking less ice aboard, buying lighter seats, and taking little tiny shortcuts instead of following the lines on taxiways.
Now the EPA has officially declared jet plane exhaust to be a major source of greenhouse gas, a declaration that paves the way for regulations to reduce emissions. Airlines saw this coming but dreaded it, knowing they already made the easy changes.
And if you want a number to keep in your head concerning this, an airline trade group says reducing the weight of a jet 6 pounds produces a one ton reduction of emissions per year.
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