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

Gas-powered internal combustion engines need spark plugs to (literally) ignite and complete the combustion stroke, enabling the motor to produce power. They may seem unusual to the untrained eye, but ...

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 ...

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

'Forget the musclecar era, this is the golden age of horsepower. Never in the history of high performance has it been easier and less expensive to make killer power. Face it, 500 hp is the new 400 hp, ...

The engine of a car heavily depends on spark plugs, given their role in igniting the mixture of air and fuel in the combustion chamber. A top-notch spark plug ensures that your engine runs smoothly ...

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

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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 ...

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 ...

A gas engine needs fuel, air, and spark to get its internals chugging along. Take any of these out of the equation and the engine will have a fit. While the automotive industry shifts toward fully ...