I just today listened to the BBC Bottom Line Special [1] on this, and their guests, one who used to run Jaguar, and an expert on VW, don&#x27;t buy it. Their argument is that the engineers in VW could have done a proper job, but the technology would add another $500 to each vehicle, and VW must have been looking for a way not to spend the $500. And all the other VW engineers would ask &quot;How did you do it?&quot;.<p>[1] <a href="http:&#x2F;&#x2F;www.bbc.co.uk&#x2F;programmes&#x2F;b06jt518" rel="nofollow">http:&#x2F;&#x2F;www.bbc.co.uk&#x2F;programmes&#x2F;b06jt518</a>  9mins 15 onward