"The whole thing is purely conceptual for now; it involves certain bacteria and ice nucleation and a lot of other science-y sounding words and phrases I don't understand. What I do understand is the phrase 'It will snow ice cream,' and what I wish I didn't understand is 'The technology is a long ways off.'"

Interesting article on variable compression motors from a french company... Claims are outlandish, but the idea (varying cylinder compression) makes sense... Might even enable HCCI engines that have been in development for decades.