Porsche: Cayenne Hybrid Will Cruise At 70 with Engine Off

CNN is reporting that the hybrid version of the Cayenne SUV will be 25% more efficient than the current model and will hit showrooms in 2-3 years. Capable of cruising at, but not accelerating up to, 70mph on batteries alone, the Cayenne hybrid will be much faster in battery mode than current hybrids, which only manage… »7/25/07 2:40pm7/25/07 2:40pm