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Jalopnik: Ford Looking To Replace Spark Plugs With Lasers [Car Tech]

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504x_Dr_Evil_Ford.jpgFord is working with Liverpool University to develop a laser-based ignition system purportedly more efficient than the tried-and-true spark plug. Plus, it'll only cost one hundred million billion dollars.

Spark plugs as an ignition system haven't fundamentally changed since their invention: apply high voltage across a measured gap to produce a spark which ignites the fuel in the cylinder. The laser-based ignition system Ford is working on makes that look like stone age technology. Lasers used in the same application can do more because there's the possibility of splitting the laser to provide multiple ignition points from the same source, improving ignition reliability. Not only can it do the fire-making job better, but a laser can be used as an active sensor, reflected laser light can be used to determine conditions in the cylinder in real time.

The system is currently in the final stages of development, and Ford is aiming at putting the laser ignition system in its high-end engines in the next couple years before trickling the technology down from there. When the system gets the go-ahead, it'll be the siren song for pretty much the last thing you can service yourself without a computer. [Telegraph]

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