What is one cause of tire fires?

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Under-inflated tires can lead to tire fires due to increased friction and heat generation. When tires are not properly inflated, their sidewalls may flex more than they should during operation. This excessive flexing creates additional heat, which can build up to dangerous levels. If the temperature becomes high enough, it can cause the rubber to break down and potentially ignite, especially in the presence of flammable materials or if the tires are subjected to harsh driving conditions. Proper tire maintenance, including ensuring correct inflation levels, is critical for preventing such risks, as it helps maintain optimal performance and safety on the road.