The thing is, you are currently defending the prominent executives.<p>We’re talking about the heads of R&amp;D and the head of engine development – both more business people than engineer.<p>Additionally, 2 CEOs have resigned over this (in just 6 months!)<p>And it’s known that the first of these CEOs tried to focus on engines without Urea injection – which did get 280mpg, though – because he personally was invested into their development and tried to push the heads of R&amp;D and Engine development to do this.