Bruce Springsteen said it best when he said, "You can't start a fire without a spark." While spark plugs may not be number one on your conversation hit parade, there is a whole raft of new, "designer" ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. For most cars and trucks, gasoline and diesel engines follow the same four basic steps to make power: intake, to get a mixture of ...