Why are vehicle tires filled with air, instead of made entirely of some material without the need to inflate? - Quora
![Can you mix air and nitrogen in your tires? | Hilltop Tire Service - Blog | Hilltop Tire Service in Des Moines, Johnston, and Altoona Can you mix air and nitrogen in your tires? | Hilltop Tire Service - Blog | Hilltop Tire Service in Des Moines, Johnston, and Altoona](https://www.hilltoptireservice.com/Portals/110/xBlog/uploads/2021/10/25/hilltop-tire-air-pic.jpeg)
Can you mix air and nitrogen in your tires? | Hilltop Tire Service - Blog | Hilltop Tire Service in Des Moines, Johnston, and Altoona
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