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

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

You have to be careful about swapping spark plugs around, but some wrenching enthusiasts might wonder if spark plug wires are ...

If you ever want to start a heated group discussion in a group of auto gear-head DIYers, simply ask what’s the best spark plug to use? As many opinions and reasons will start flying, as if you asked ...