No, because that one is going to get replaced with a new one burning the same amount of fuel. So basically flying one plane for 20 years is better than 2 planes over 20 years where one of them went to junk early.
No, because that one is going to get replaced with a new one burning the same amount of fuel. So basically flying one plane for 20 years is better than 2 planes over 20 years where one of them went to junk early.