The good news with Raser Technologies' full size SUV plug-in hybrid which will be revealed at the Society of Automotive Engineers (SAE) World Congress in Detroit (April 20-23, 2009), is that it promises to deliver an estimated 100mpg. The bad news is that Raser Technologies doesn't exactly explain how it came up with this impressive fuel economy figure for its four-wheel drive Extended-Range Electric Vehicle (E-REV).
In fact, the only piece of information that the Utah-based company handed out to the press is that the E-REV has been designed to achieve over 100 mpg in "typical local daily driving" with near zero emissions by going up to 40 miles per day in all-electric mode.
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