An internal combustion engine needs three things to get going: Air, fuel, and spark. The throttle body and intake plenum feed air, while injectors spray the right fuel mix into the combustion chamber.

Simply put, getting the maximum power from any race engine is a function of the temperature, pressure and timing of combustion gases in the cylinder. Since it would be expensive and impractical for ...

A man changing the spark plug on a lawn mower - Fertnig/Getty Images If you own a gas-powered lawn mower, whether it is a compact push model or a giant zero-turn ride-on, there are a few key ...

If you own a gas-powered lawn mower, whether it is a compact push model or a giant zero-turn ride-on, there are a few key maintenance tasks you should perform to ensure a long life. You will want to ...

Spark plugs are one of those maintenance items that, along with things like brake fluid and thermostats, are easily overlooked but extremely important to your car's safety, longevity, and performance.