Bosch managed to create a timeless design when it introduced spark plugs to the masses. But it would have never come to pass if not for another invention.

A spark plug thread chaser isn't always the answer, but it can make a big difference when you're installing fresh new plugs.

Around 1975, General Motors made a significant advancement in stock passenger ignition technology: the High Energy Ignition (HEI). One of its major features was installation simplicity. The coil was ...

Around the world, automakers and their suppliers are working to make motor vehicles environmentally friendlier. The strictest standards have been set for markets in Europe and the United States. The ...

Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark ...