In the US, roughly 20 percent of the cars VW sold this year were diesels (until last month, when the diesel share dropped to 11.7 percent. Expect a further drop in October's numbers). In Europe, though, diesels make up about half of the overall vehicle fleet, so stopping sales there will have a much bigger impact.
The good news for VW and its related brands is that the only diesels that will no longer be sold are the ones on dealer lots that use the EA 189/Euro 5 engine. The bad news is that that engine is used in a lot of VW products, mostly small and midsize cars. This includes popular vehicles like the Audi A3 and the VW Golf.
Larger diesel vehicles use engines that reduce emissions using a urea solution called AdBlue. The smaller EA 189 engine was not built with an AdBlue process, and instead used software to make it seem like the cars were cleaner than they really were. Reuters says the currently not-for-sale vehicles with the EA 189 powerplant will be "upgraded" and then - hopefully - sold. A description of this fix should be made in Europe in November.