The engine in your car, truck, or SUV can run on either copper, platinum, or iridium spark plugs. You probably heard the hype around iridium plugs and how they manage to deliver solid sparks while ...

For something that's smaller than your pinky finger, spark plugs have a ridiculously important job: they create a spark that ignites the fuel-air mixture inside your engine's combustion chamber. But ...

The many spark plug types are typically named after precious metals used in their center electrode, ground electrode, or both. Copper plugs are the most affordable and the most basic while iridium ...