The 2013 Porsche Cayenne S Diesel with a 382-horsepower 4.2-liter V8 engine debuted on Wednesday, but Porsche Cars North America told Edmunds it will not be sold in the U.S. “This product is not currently planned for the United States market as it has not been developed to meet local emissions requirements,” wrote Nick Twork, a Porsche spokesman, in an e-mailed message. The 2013 Porsche Cayenne Diesel with a 3.0-liter V6 engine is on sale here. #porsche #cayenne #v8 #diesel #parisautoshow #edmundsinc #askthecarpeople (Taken with Instagram)