Porsche kills off its diesels, because customers no longer want them

2015 Porsche Cayenne DieselOf the three brands caught up in the Volkswagen diesel emission scandal in the U.S., Porsche was by far the least affected. It had sold only one diesel model, a version of its Cayenne performance SUV fitted with a 3.0-liter turbodiesel developed by its VW Group sibling Audi. Regulators approved fixes to some of those engines last October, and...