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

Spark plugs help you start gasoline engines and glow plugs do the same in diesel engines. But how do they go about providing that boost? And how do they differ?

All spark plugs may look the same to the untrained eye. Unfortunately, nothing could be further from the truth. For starters, spark plugs come in many types that are mainly differentiated by the ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

The first recognizable internal combustion engine was developed by Nikolaus Otto in 1861. Since then, the gasoline-powered engine has evolved immensely. However, the principles that underlie how ...