Engine behavior changes as spark plugs wear, with symptoms like misfires and rough idling. But what causes them to wear down ...

US Rep. Sheila Cherfilus-McCormick of Florida indicted on charges of stealing $5M in disaster funds Trump and Treasury ...

Replacing your spark plugs is important and usually a fairly simple process, but if they seize in the cylinder heads it's an entirely different matter.

Laser Iridium spark plugs are made by NGK for OEMs. They use a combination of iridium and platinum to increase efficiency and ...

Iridium spark plugs are the best choice for high-performance engines, while platinum plugs are ideal for commuter cars and ...