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Posted to alt.home.repair,rec.autos.tech,sci.electronics.repair
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EPA caught VW cheating - how does the car know it's beingtested?
Ewald Böhm wrote:
My question is HOW did the car *know* it was being *tested* for emissions?
How Did the System Work?
http://www.nytimes.com/interactive/2...explainer.html
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