Quick question / comment:
At these temps, and with the natural composition of amosperic air, wouldn't this plug actually create more Nitrogen Oxide pollutants than hydroxy gas? These are usually not created all that often because the engine temps are usually lower, and there are other fuels to be oxidized but in this close proximity, I am thinking that the dominant elements in this space will be Nitrogen? Also, if the elements in this plug are open to the inside of the cylinder, what keeps the hydrocarbon fuels from exploding.... I thought I read the autoignition temp of gasoline is somewhere about 500C....
Just kind of thinking out loud here.
Just becuase you are Paranoid doesn't mean that they are NOT out to get you!