> You've changed your argument. Now you're saying "forget half of what I said" My only point is that the way you implement change matters and that this impleme

> You've changed your argument. Now you're saying "forget half of what I said" My only point is that the way you implement change matters and that this implementation will adversely affect the worst-off population. > It should be uncontroversial given the facts and experiences with these engines that they are awful pollutants, terribly aggravating to communities, and that the world would be better without them. No controversy there at all.