i just dont get it, its a nice idea and all that, but whats the point in inventing a tug.....thats operated by the pilot.....and having the driver sat with his arms folded, or texting blah blah. WHY DOESNT HE JUST DRIVE ??????. Presumably this is more to the "tow em to the runway before start up to save fuel" rubbish. it just a glorified TBL with a passenger