A new Prius was debuted at the Detroit Auto Show last month and should go on sale sometime later this year, but it's still equipped with the older battery technology. So far, Toyota has yet to announce any specific plans regarding the future sale date of a plug-in Prius to regular consumers, and the automaker is now suggesting that any of its hybrids would be good candidates for PHEV technology, including the Prius, which seems like the most logical choice. In any case, it appears that Toyota is content to let GM push forward with the series hybrid Volt technology while its engineers remain in the PHEV data capturing stage.
[Source: Automotive News - Sub. Req.]