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VW released euro 6 vehicles that didn’t need adblu, via emissions manipulation which required others to follow their lead.
citron-
Mental, as IME a wet DPF system (adblue or other brand) works better, less likely to fill your sump with diesel leading to severe internal engine wear and the bills that follow.
Dry systems work well if its under decent load and your speed is consistent, but when they start doing a regen in town its a total PITA, drives like a pig, stinks, burns a hole in your firewall (can feel the heat through the bulkhead on most cars), burns tonnes of fuel, puts some of that in the sump and then doesn't actually fully regen, so then does it again 20 minutes later.
Is it that folk have a mental block in having to fill a separate tank with a separate fluid?
BrickMan
Only know a little bit about the story, but did VW do anything worse than any other manufacturer?
My cynical side says the story got so much traction because VW was pushing diesel into the US and competing with volume sales, rather than sticking to big petrol engined premium cars like the other German manufacturers.