I've noticed in many pictures of airliners, even ones that are on their second or third, etc airline, the model of the plane will be painted on somewhere. For example "Boeing 737-700". <br>
It seems to be up to the airline, but why do some do it and some not? Do they get some kind of an...
With jet fuel running low, will there be a future for commercial airliners? Will an alternative source of energy save commercial airliners in the near future?