You're driving down the road and having a normal day behind the wheel of your car. You look down on the dashboard to check your gauges and speed, but you notice that a little orange "Check Engine" ...

Modern internal combustion engines — including those that run on diesel fuel — require a lot of special parts and systems to prevent dumping excess emissions into the atmosphere. Not only are those ...

Most rodders underestimate the importance of maintaining the emissions equipment on their cars. Contrary to popular belief, emission controls on modern engines are designed to help maintain an ...