The air that you breathe is 79.8% nitrogen. By using 100% nitrogen you exclude oxygen from inside your tire. Less oxygen, less corrosion of the tire and rim. In short it makes no difference if you have nitogen or air. Its just a marketing scam to charge you an extra $8.00 per tire for something that makes no difference in tire performance.
Yes, nitrogen is more stable than air in tires.
It is not. That is why a lot of tire shops fill tires with only nitrogen.
no.
Yes, Costo does inflate the tires with nitrogen for free.
no, however their is a shop that puts nitrogen oxide in low profile wheels and tires.
Many industrial supply companies will sell you compressed tanks of dry nitrogen that would be suitable for tires. For normal auto tires, regular air is fine, but nitrogen is often used to inflate the tires of race cars and airplanes.
Long chains of nitrogen are incredibly explosive.
Nitrogen triiodide - a very unstable and sensitive contact explosive.
They fill their tires with nitrogen.
No.
nitrogen
Nothing. Nitrogen is quite unreactive due to the triple bond between two nitrogen atoms. An explosive inside the liquid nitrogen would not ignite unless designed for the purpose.