Schwa,

Perhaps you can explain a point regarding the PSD that I have been mulling over for a while: since the Prius drivetrain does not have a clutch, how does the system set up a glide condition where the engine does not spin ?

I have looked at Graham's animations of the PSD, and expect that the explanation is within, but am having trouble grokking the notion of ring sets spinning in either direction ..

R2-E2, 2G Prius.
Highway/City/Husband/Wife MPG: 56.5, as of 12/2005, 26K miles

Jac Nasser, Ford President: "We are planning to launch a hybrid version of
this car [P2000] within this year [1998]. We will also make FCEV available in
2004."