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Auto | Under the Hood | Wheels

How do 30 pounds of air in your tires hold up two tons of car? What’s the technology behind the tire and how do wheels work? Learn it all in the Car Wheels and Tires Channel.

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What makes a tire safe?

Generally speaking, all tires look the same. But the truth is they're not even remotely the same in use, engineering or construction. So how do you choose a tire that's safe for your car or truck?


How Retractable-stud Snow Tires Work

How Retractable-stud Snow Tires Work

Retractable-stud snow tires could offer studded-traction on icy roads. Learn about retractable-stud snow tires at HowStuffWorks. See more »

How to Recycle Tires

Recycling tires can help protect the environment. Read this article and learn how to recycle tires. See more »

What is the purpose of a tire sidewall?

The main purpose of a tire sidewall is to provide lateral stability. You can learn more about the functions of a tire sidewall by reading this article. See more »

When you vulcanize a tire, what do you do to it?

Once a tire has all its components assembled, it’s still only a green tire, without any tread patterns or markings. You can learn more about a tire’s vulcanization process from this article. See more »

What are tire load ratings?

What are tire load ratings? Visit HowStuffWorks.com to learn more about tire load ratings. See more »

What are tire treads made out of?

What are tire treads made out of? Visit HowStuffWorks.com to learn about what are tire treads made out of. See more »

What are uniform tire quality grading standards?

What are uniform tire quality grading standards? Visit HowStuffWorks.com to learn the uniform tire quality grading standards and more. See more »

How does wheel alignment affect tire wear?

Make sure your tires are properly aligned for a good driving experience. Learn about how wheel alignment affects tire wear in this article. See more »

How does over inflation affect tire wear?

Make sure your tires are properly inflated, because over inflation can lead to problems. Learn about how over inflation affects tire wear from this article. See more »

How does under inflation affect tire wear?

Make sure your tires are properly inflated – under inflation can lead to poor performance. Learn about how under inflation effects tire wear in this article. See more »