I bet when the environuts* are out over the ocean at 35000+ ft they don't complain about too much fuel then
...to save money aviation is probably the most fuel conscience of industries...and the whole of transportation contributes only about 12% of total CO2 emissions...also like everyone says--- pollution is a much, much greater concern and most if not all industries can do better wrt to that issue
* hypocritical Muppets
