![Nitrogen vs Air In Tires – Why Nitrogen in Tires](https://rebuiltcarparts.com/wp-content/uploads/2023/09/nitrogen-vs-air-in-tires-–-why-nitrogen-in-tires.jpg)
Q: Is there any advantage to using nitrogen instead of compressed air in tires? Will I notice improved fuel economy or a smoother ride? Will my tires last longer? A: Sort of. From the top: Air is 78 percent nitrogen, just under 21 percent oxygen, and the rest is water vapor, CO2 and small concentrations […]