This first article is interesting in its description of the design,
prototyping and analysis.  I have no idea if the engine has merit but it
seems to have some new wrinkles.
I wonder if anyone on the list is using Autodesk Inventor.  To quote
them "The Autodesk® Inventor® product line provides a comprehensive and
flexible set of software for 3D mechanical design, product simulation,
tooling creation, and design communication that help you
cost-effectively take advantage of a Digital Prototyping workflow to
design and build better products in less time.

Of course, to quote The Preacher: The thing that hath been, it /is that/
which shall be; and that which is done /is/ that which shall be done:
and /there is/ no new /thing/ under the sun.


http://www.grailengine.com/articles/abilenerc1.pdf
http://www.grailengine.com/tech.html
http://usa.autodesk.com/adsk/servlet/index?siteID=123112&id=4246282



Yeah sure 100 MPG.
Looks like another stock scam.

Paul Lamar