I think you guys will appreciate this, caution physics ahead,
http://www.foxnews.com/leisure/2013/08/22/spark-plugs-to-be-replaced-with-plasma-bursts/
As if "Plasma" production needs assistance from a New product in the naturally occurring "corona discharge" already present in ignition engines.
"Thermodynamics", "Quantum Theory" "Excited State"
Please do your own self study.
Maybe too technical a subject for the forum; lock, delete, of flog at your leisure. It's just the Internet, the place where only 1% of members post anything at all.