This is a really interesting article on HCCI engine management technologies and development of fuels, stations, efficiency, etc.
Of course, anything developed at Berkeley has got to be appreciated around here! 
Good or bad? Effect on motorsports?
Discuss...
No effect on motorsports in the near term. HCCI is unstable (and more or less unusable) in transient situations. Plus, most driving is really transient events even cruising down the highway since rolling hills (even in places like Kansas and Nebraska) mean changes in throttle position and tansient events.
There's a ton of work going to to be able to control the fuel mixture but I'm in a wait and see mode.
It will work great in a fixed RPM generator system in future automotive applications though.
Ditch the generator system entirely and use a CVT transmission.
As far as motorsports apps, I foresee the technology helping to make more power from the same amount of fuel, much like mechanical fuel injection improved on carbs and EFI improved on MFI.
I hate to burst your buble, but Ford's been working on that for quite a few years now. Car and Driver did a thing on it a while ago.
Very, very difficult, from what I hear (as in actual production feasable, not just to make it work, but to make it work and have the customer not notice and meet all regulatory requirements)
1st use will be generator sets. They generally have 3 throttle positions, idle, off, and flat out.
I also know of another company that is working on it 1st hand..
Come to think of it, Honda did something very similar with two stroke engines some time back. They even had running race bikes which finished Dakar and won their class at Baja.
http://www.motorcycle.com/manufacturer/honda/quick-take-honda-exp2-15170.htm
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