Reply to post: Re: Interesting justification.

VW's Audi suspends two engineers in air pollution cheatware probe

gnasher729 Silver badge

Re: Interesting justification.

Independent of "idling" and so on, just after starting your car the engine will be cold for a while, even if you start driving immediately as you should. I was told that with my car during that cold period the diesel engine is run slightly different which means it uses more fuel than absolutely necessary to stay below pollution limits. (And when the engine is warm, they can run it more efficiently and still stay below pollution limits).

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