Spark plugs come in many different types, but they also have many different heat ranges. Here's what that means, as well as ...

Not all spark plugs are created equal, and knowing which one your car needs can vastly improve your car's fuel economy.

The requirement to gap spark plugs might not be as common as it once was, but it's still an important bit of maintenance on ...

Spark plugs are necessary for gas-powered engines. However, they're not all the same, and they can come in different shapes and sizes. Here's why that is.