There has been some very recent updates on the Plug In pages at Toyota ESQ Communications They now have dedicated pages for all the demo partners (use the interactive map): Toyota Prius Plug-In Hybrid Demonstration Program And this page has charts but it says "This data represents a small sample of data (3 vehicles) and is only displayed for testing purposes.": Toyota Prius Plug-In Hybrid Demonstration Program | Prius PHV Vehicle Performance Logger Data* And on one of the pages it makes mention of the 'dashboard' talked about a year ago and says "coming soon": So at least there has been some recent activity concerning the plug in. It's still not what we want in terms of pricing and when it will definitively be available, but it's something.
Here's some stats from 'partners' to whom the cars were given (This particular one being the California Center for Sustainable Energy (CCSE): Toyota Prius Plug-In Hybrid Demonstration Program | CCSE Finishes Initial Two-Month Trial with Toyota Prius Plug-in Hybrid Vehicles