For Boeing, “green” and “clean” were primarily talking points on a quest for market dominance. And they continue to be. Since the 737-Max crashes, Boeing has significantly ramped up its green marketing in a bid to win back consumer trust. (6/X)

But if Boeing were really chiefly concerned with being “green,” experts say it would have simply developed a new plane. As one expert told us: “This is clearly a case where Boeing did not go far enough on the environment.” It's not a case where it did too much. (7/X)