They sell specialized tools that will help you break car windows in an emergency, but you can also use a spark plug to do the job. Here's why it works.

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 ...