“The Cayenne hybrid will account for about 15 percent of sales,” he said, “and appeal to customers who use their cars mostly in urban areas. We believe the hybrid sales will be incremental, and the diesel will be better at rural and highway use, where people need … Edmunds Newsletter. Subscribe to the Edmunds Automotive Network Newsletter and enter the $500 Gas Card Sweepstakes. Sign up now and enter for your chance to win a $500 Gas Card! Official Rules. Manufacturers …