Fisker Karma

For the well-heeled, the Fisker Karma is a different type of electric hybrid than traditional luxury hybrids. Like the Chevy Volt, it runs on batteries for about 30 miles and then the gas engine kicks in to act as a generator. The Fisker, however, shows the wide range of mileage that can result from a series hybrid. The Karma is rated at 52 miles per gallon equivalent for electric driving and only 20 miles per gallon in the charge sustaining mode, according to reports. The release of the Karma this year, which was months later than projected, will be followed by development of a lower-end yet still luxury sedan code-named the Nina.