I can not help you on the IMA systems. But here is a good start for the Toyota systems:
http://www.ecrostech.com/prius/original/PriusFrames.htm

This page is one of the better introductions to the "Synergy Drive" systems. Then I would recommend reviewing:
http://www.robintree.com/prius/startup.html

Another rich source of Prius articles:
http://techno-fandom.org/~hobbit/cars/prius-linkfarm.html

This is a good Toyota source:
http://www.toyota.co.jp/en/tech/envi...hs2/index.html

Finally, here is some data I'd plotted to understand the energy flows:
http://home.hiwaay.net/~bzwilson/prius/PnG.html

Once you get a chance to review them, lets go over what additional questions you might have. But I remain curious as to where you want to go with this information.

Bob Wilson

Operation Iraqi Oil Freedom:

Automatic, stock, project car.

My other 1500 cc car:

Automatic, stock, backup car.
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