I know the name is spelt Naef but it is pronounced Naff in Ze Englishe language and means 'lacking in taste or style'....and something else quite devious...look it up.
Oh, nearly forgot...Mow, you better get over to Lufthansa and Virgin and warn them about the -600's before it is too late for them
, eminent bankruptcy and all that...you are right though, they do apparently like fuel.
Chao