Traditionally, car tires have been filled with compressed air. Air is 78 percent nitrogen and just under 21 percent oxygen, and the rest is water vapor, CO2, and small concentrations of noble gases ...

Quick Fix for Flat Tires Tire inflators in aerosol cans have become indispensable for car owners who need a quick solution to flat tires. These products work by releasing a high-pressure gas mixture ...

Understanding these ratings, and others, is important: it may prevent you from accidentally winding up with a lighter-duty car tire on your heavier truck or SUV, for instance, which can be a ...

While you might not notice it, those sounds help mitigate other noises your car makes ... their gas-powered counterparts by a large margin. That added heft can put tires under higher stress ...