The above image looks like a fairly typical refinery, right?
Well the image below is what Senator Boxer presented to the U.S. Senate in a fight against the Keystone XL Pipeline.
Isn't this ... kinda illegal? Not only does the photo below appear to be an obvious photoshop, but it is a poor photoshop at that. Clouds and stack smoke don't mix like that. Refineries do not create such smoke either!