Are we not talking about the way cool new Koenigsegg technology?
 

He's not as flamboyant as you know who, but he has some great technology...

This is a good starting place. The benefits of valve control are very interesting:

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Here's another of his expensive but interesting products:

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I believe these have been discussed separately.

It will always come down to affordability and mass production.

The less that use it the less buzz there will be about it.

Considering that it's a small, low volume, niche manufacturer, it's really amazing how much they innovate and produce themselves. Super cool company.