Plug-in hybrid electric vehicles (PHEVs) have no more committed champion than Felix Kramer, founder of the nonprofit California Cars Initiative, also known as CalCars.org. Kramer was advocating for the commercialization of PHEVs when most carmakers were still denying that a business case could be made for them. Now, with PHEVs from both General Motors (the Chevy Volt) and Toyota (an adaptation of the Prius) scheduled to join independent entries from companies like Bright and Fisker in the marketplace, is Kramer celebrating? Full Article