Compressed nitrogen contains less moisture than compressed air. When the tire heats up, moisture in the tire vaporizes and expands, causing the pressure inside the tire to increase. Even small changes in tire pressure can noticeably affect the handling of the car. Mileage increase of 6% and longer tire life is claimed.
Nitrogen is used for filling automotive and aircraft tires due to its inertness and lack of moisture or oxidative qualities, as opposed to air, though this is not necessary for consumer automobiles.
These questions are based on Gary Paulsen's book called "The Car." This was a very interesting book and I think that any reader would like it. I liked it a lot and I hope that you did too. Do your best and good luck.
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