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The Argument for Saving Gas Using Nitrogen

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There seems to be a bit of a controversy as to whether nitrogen can help you save gas. The advocates claim if you fill your tires with nitrogen you will save gas. This is what they say:

One cause of poor fuel economy is tires that are under inflated. The EPA estimates that 30% of the autos on the highways have at least one tire that is under inflated. The U.S. department of energy has determined that tires inflated to the correct pressure can improve fuel economy by 3 percent.

It is estimated that under inflated tires are responsible for the loss of more than 2 million gallons of gas every day. A tire with low air pressure begins to flatten which creates additional surface area between the tire and the road. This increases friction between the tire and the road which results in the engine needing to work harder.

When an engine has to work harder it burns more gas. More tire surface due to under inflation means it takes more power to roll that tire. More power needed means less fuel economy. A tire that is correctly inflated is going to roll more easily using less power from the engine and less gas.

How does all of this relate to nitrogen? It has to do with how tires loose pressure. As has been described earlier under inflated tires require the engine to burn more gas. But why do tires become under inflated? It is a common characteristic of all tires, they loose air over time. That doesn't mean you have a leak.

Tires are made with permeable materials. That means that the small air molecules can escape from the tires over time. As the molecules of air escape the tire looses pressure. It is a natural occurrence for all tires. That is why it is suggested that you should check your tires once a month.

The pro nitrogen camp suggests that tires inflated with nitrogen loose pressure 3 times slower than tires with air in them. This is explained by basic science. Nitrogen has a higher density than oxygen. Because of that, nitrogen has larger molecules than oxygen. The larger molecules of nitrogen will not filter through the permeable material in the tire as easily as the smaller oxygen molecules. . That results in a slower loss of tire pressure over time.

Your tires will maintain themselves at close to the full pressure longer with the nitrogen because the pressure loss is so much slower. The result is properly inflated tires, with less friction, and less gasoline needed to move your car.

That is how nitrogen helps you get better fuel economy. The cost of filling your tires with nitrogen is around $10.00 per tire. Is it worth it? Those who advocate nitrogen say absolutely it is. However there are those that don't agree. Before you run off and spend $40.00 getting your tires filled with nitrogen it might make sense to hear from the other camp.

Article Source: http://www.article-exposure.com

Scott Siegel is the author of a 143 page manual of industry insider information on saving gas and money at the pump (beatthegaspump.com). Visit us to discover how you can get better gas mileage. Find out how to increase gas mileage.

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