Porsche Cayenne GTS Unveiled to North America

Originally shown in Frankfurt, the Porsche Cayenne GTS got its North American debut this morning in Chicago. In an event held during a reporters' breakfast at the Chicago Auto Show, the new Cayenne GTS was trumpeted, as well as plans to add a hybrid version to the SUV lineup.After years of dirtying-the-air accusations by environmentalists, Porsche has gone all-in on the green bandwagon. The