Hot diesel: Porsche drops an oil burner into the Cayenne

For years, rumors suggested that Porsche would drop a diesel into the Cayenne. It seemed obvious. European Volkswagen Touaregs and Audi Q7s offer diesel, and all three share underpinnings and are assembled at the same plant in Bratislava, Slovenia, so why not the Cayenne?Porsche chairman Wendelin... Published 04/10/09