Why do car tires need air?

Updated on February 17, 2015 in Devices
8 on February 16, 2015

why cant car tires just be fully rubber so they don’t become flat?

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2 on February 16, 2015

The advantage of the air, I think, is that you feel the bumps a lot less.   Of course, you could also fill them with helium, which would make the car lighter, and save you .00001% in gas.

on February 16, 2015

Ill do anything to save money lol

on February 16, 2015

you can also fill them with nitrogen

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2 on February 16, 2015

Ask and you shall receive. Michelin just opened a plant to make airless tires. http://www.gizmag.com/michelin-tweel/34909/

on February 17, 2015

Technically it’s not airless.  The spaces you see in the pic are filled with air.

on February 17, 2015

This would help save lots of money

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1 on February 17, 2015

Pneumatic tires suck. Thanks to the cold weather I have a tire pressure warning on my car. I would love any alternative that matches or exceeds performance. Would love to never have to worry about a flat or under-inflated tires.

on February 17, 2015

I’m waiting for the maintenance free car.

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