We learned when VW's diesel cheating scandal came to light that your friend's Passat probably wasn't as clean as the company claimed. It was fun to drive becaus

We learned when VW's diesel cheating scandal came to light that your friend's Passat probably wasn't as clean as the company claimed. It was fun to drive because VW made it run dirty when not on the test stand. This doesn't seem like a good argument for diesel vehicles.