The Goodyear Tire & Rubber Company product service bulletin PSB #2004-09 Michelin North America, Inc. technical bulletin PM-03-05 Research Report: Passenger tires with nitrogen age slower Should you stop putting air in your tires? Dealers: N2 inflation gamble a good move Get pumped up Why not try nitrogen? Use nitrogen to help deflate fleet expenses FOXNews.com - Some motorists turn to creative tire inflation to save gas Get Nitrogen Institute website