Firefighters Are Warning People Not To Leave Water Bottles In Their Cars

small area of a car’s interior.

That doesn’t mean every bottle left in every car is suddenly going to start a fire. The risk is unusual and depends on factors such as sunlight, bottle shape, position, and the material being exposed.

Still, it’s an easy safety habit to adopt.

And when moving a water bottle takes only a few seconds, why take the chance?
Why Can a Water Bottle Be a Fire Risk?

The concern comes down to a simple scientific principle: water can bend and focus light.

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