
An illustration shows a spark from an Advanced Corona Ignition System plug igniting fuel. Researchers at Federal-Mogul Corp. are developing a new type of spark plug that sends a web of plasma bolts into cylinders to ignite fuel.

An illustration shows a spark from an Advanced Corona Ignition System plug igniting fuel. Researchers at Federal-Mogul Corp. are developing a new type of spark plug that sends a web of plasma bolts into cylinders to ignite fuel.