Narrator: From the wheels of NASA's moon rover to Michelin's Tweel, we've seen tires that don't need air for decades. We've even seen prototypes for everyday cars that roll over sharp nails with ease.

It has been reviewed by ... of air temperature, the general rule is that tire pressure changes by 1 psi for each 10-degree change in air temperature. That means that if you filled your tires ...

Trying to find every opportunity for savings out there has many consumers asking where they can put air in their tires, as vehicles with underinflated tires consume more fuel. Read More ...

Self-supporting run-flat tires are most commonly used on today's passenger cars and may have a symbol ... tire — when driving with low/no air pressure. In addition, because you may not recognize ...

A recent study by the National Highway Traffic Safety Administration found that nearly 50 percent of the 11,500 cars ... tires is safe by checking it at least once a month when you check your ...