car engine Archives – The Green Optimistic green tech news, since 2008 Thu, 21 Apr 2011 12:05:10 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Laser-Powered Spark Plugs Closer to Reality, Toyota Interested https://www.greenoptimistic.com/laser-spark-plug-20110421/ https://www.greenoptimistic.com/laser-spark-plug-20110421/#comments Thu, 21 Apr 2011 12:05:10 +0000 https://www.greenoptimistic.com/?p=18127 Conventional gasoline engine makers may one day replace spark plugs with lasers, as Japanese researchers have designed and prototyped laser devices that are powerful enough to ignite the fuel and small enough to fit into the engine cylinder head (9 millimeters in diameter and 11 millimeters in length).

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