Car Wheels and Tires

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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You might not know that eLSD stands for electronic limited slip differential, but when one wheel of your car is sliding on ice and another isn't moving at all, you'll wish you had paid attention to this technology.

By Robert Lamb

For more than 100 years, vehicles have used pneumatic, or air-filled, tires. Michelin's alternative is the Tweel Airless Tire. Could it replace traditional tires?

By Ed Grabianowski

Self-inflating tires perform two crucial functions: They automatically maintain ideal tire pressure and they allow you to alter psi on the fly to adjust to changing terrain. Learn about self-inflating tires.

By Lee Ann Obringer


Race car tires don't use regular air. Find out what race car teams are using in their tires instead of air.

Learn about tires, tire pressure, and a tire's contact patch.

Are you in the market for a new set of tires? Is all that confusing jargon the tire sales clerks or "experts" are using making your head feel like a tire spinning out of control? Find out all about car tires.

By Karim Nice

If you have a car chances are you also have a tire-pressure gauge. Learn how this pen-sized device measures air pressure and why the little stick inside doesn't just fly right out the back!

By Marshall Brain