My friend Raymond puts nitrogen in his car tires. I use air. Naturally, we have had some science chats about which is better, especially for the best gasoline mileage. There are a few basic science ...

Keeping our tires in good working condition is an important responsibility for the everyday driver. To get the most miles out of your tires, routine maintenance and making sure your tires, suspension, ...

with regular air — a mixture composed mostly of nitrogen and oxygen. However, in recent years, a new trend has emerged in the automotive world: inflating tires with pure nitrogen gas. Many tire shops ...