GregLocock - Admittedly I was taking a bit of a stab in the dark when I said kerosine as it's been a while since I read the paper but IMS he believed many less refined fuels could run in his engine. It was also his belief that should his engine become widely adopted substantial savings would be...
I wondered the same thing myself and found an interesting study of just such an experimental engine on google. The author of the study believed that using fuels like kerosine which are less refined than petrol solves the octane problem romke mentions. Please note that this was not an HCCI...