This type of Prius, which Toyota calls a Plug-in Hybrid Vehicle or PHV, is a work in progress that’s being refined during this demonstration period before it goes on sale in 2012. So our findings must be taken with that in mind. Overall, we found this test to be an excellent reflection of the three main philosophies with which automakers will approach plug-in vehicles.
Here, we report on the hands-on experience, ranking the cars where differences were unmistakable. We’ll address the mileage and cost results in a separate post.