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What is Goodyear’s Position on Nitrogen Inflation?
Posted by Tim on November 1, 2005
Do you think it is worthwhile to put nitrogen in tires. We just had it done for $5 a tire. They say it is suppose to make you get better gas mileage.
In a product service bulletin issued by Goodyear, the following statements are made regarding nitrogen inflation:
Nitrogen gas, as an inflation alternative to air, is becoming more prevalent in the market place and is being marketed as a benefit to the standard practice of using air to inflate tires.
Over a period of time both oxygen and nitrogen are able to penetrate through tire casings. However, oxygen molecules and nitrogen molecules are different sizes with oxygen being a smaller molecule than nitrogen. The size difference in the molecules allows the smaller oxygen molecule to permeate through the rubber at a more rapid rate.
Goodyear supports the use of nitrogen, as an inflation gas, in all Goodyear, Dunlop, Kelly, Associate Brand and Private Brand products, based on the ability for a tire to retain pressure for a longer period of time. The use of nitrogen will not affect the tire warranty.
Please be advised that even with the use of nitrogen as an inflation gas, regular inflation pressure checks are highly recommended.