Nitrogen promises stable tire pressure, better tire performance and other benefits; but is it really worth the extra cost?

My father is notoriously frugal, and I tell him he should replace his old dry-rotted tires even though they still have plenty of tread. Can you please explain why I'm right? I think our dads might be ...

Regardless of how often they are driven or maintained, the tires on our cars are on a ticking clock. On average, the lifespan of a fairly decent tire runs anywhere from 6 to 10 years from the date ...