Nitrogen in tires Archives

Nitrogen in tires

Costco uses nitrogen to inflate tires it installs. A green valve stem cap is used to indicate that the tire is filled with nitrogen. Costco will fill your tires for free if you are a member.

"Nitrogen Tire Scam part 3," by cfeagans, Hot Cup of Joe, July 16, 2008
"Nitrogen in tires - Q&A," Consumer Reports, October 11, 2007
"Tires - Nitrogen air loss study," Consumer Reports, October 4, 2007
"Is it better to fill your tires with nitrogen instead of air?" by Cecil, The Straight Dope, February 16, 2007
"Fill your tires with nitrogen," by Wayne Cunningham, Alpha, May 1, 2006
"Nitrogen-Filled Tires & Better Gas Mileage?" Blueprint for Financial Prosperity, October 20, 2005
"Hot or Cold! Inflate your tires with NITROGEN for FREE at Costco! Membership required!" Fat Wallet.com, August 17, 2004