Fitting a gasoline-powered car engine with frikkin’ laser spark plugs may seem like one sci-fi step too far, but since it improves the combustion and cleans-up the exhaust, it may be the gas ...

The spark plug was a key invention in the history of the internal combustion engine, allowing combustion to be easily controlled and engines to rev faster than messy earlier designs. Mid-century ca… ...

A conventional spark plug and a spark plug with smaller electrodes were studied in M. I.T.'s transparent square piston engine. The purpose was to learn more about how the electrode geometry affects ...