It just seems to me that this isn't even as radical a thing as the Wankel Rotary engine and that's seeped it's way into cars ages ago. It DOES just seem too good to be true and I think there is a myriad of reasons why no car manufacturer has pick it up yet. I'd just love to see what it could do for my mpg!
According to their news website they seem to be in the phase of producing natural gas generators right now instead of focusing on cars
The official Coates International NEWS WEB SITE.