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[–] CTZN5 0 points 3 points (+3|-0) ago  (edited ago)

I expect all that's happened is VW has made sure the regen cycle will not occur during the EPA test, which would cause random erroneous test failure relative to the car's actual average emissions.

More on this here https://twitter.com/CTZN5/status/645120962606661632

edit: Followup here [https://twitter.com/CTZN5/status/645270889341153281] after I'd read the WVU study that triggered the EPA investigation.