While Porsche decides whether or not to produce an electric 911, German company RUF Automobile GmbH has taken matters into it's own hands. In October 2008, the company debuted the eRUF "Greenster" 911. They are expanding the eRUF line now with a new model, the Stormster - this time based on the Cayenne. The original, the Greenster is supposedly going into a limited production run says RUF. No Greensters have been delivered yet, but RUF is still intent on getting its next model out there, presumably to gauge interest. The changes start with the exterior - that doesn't look like your usual Cayenne. RUF developed the special body kit that takes cues from the 911, but the electric conversion will be available looking like a standard Cayenne as