The Toyota Prius has been a popular hybrid car since its launch in 1997. Sales have constantly increased and more than 3.3 million HSD-powered vehicles have been sold worldwide to this date. Therefore, Hybrid cars is not a new concept to the Japanese automaker.
What is new, is the 2012 Toyota Plug-In Prius Hybrid, that was recently presented at the Frankfurt Motor Show. In terms of technology, there is not much difference between the