2010 Toyota Prius - Click above for high-res image gallery
2010 Toyota Prius - click above for a high-res gallery
I'm just going to assume you've heard that Toyota is testing a plug-in Prius on public roads in Japan. If this has slipped by you, check out the links below. Otherwise, you know that the PHEV uses the standard nickel metal hydride batteries, not new and fancy lithium ion batteries. So, what does the plug-in NiMH give you? BusinessWeek fills us in.