I amnot here to impress you-all with dynamics/protocol/theries concerning fuel savings/milage.I drove an 18 wheeler for 43 years and retired augaust 2005.I have seen damage caused by failed recap(blown tire)..it has dented underside of trailer,torn off my gaurds,torn off mud flap bracket holders,flung rubber and broken windshields,etc.NO WAY DO I FOLLOW WITHIN 100 YARDS OF TRUCK!!

life is good..I am retired..sold my America in 2008,bought a Rocket and sold that in 3/2013 and now own a new Triumph Bonneville T-100