Here's an interesting article:

http://www.theregister.co.uk/2011/04...er_sparkplugs/

I think the writer must be confused about the ignition being in two places at once. This would cause detonation if I'm not mistaken. But from the sound of it, it's not "if" this tech will be used, it's "when", and it might be soon. Sounds cool so I thought I'd share the article with you.