text: Have you ever heard of Smog? It's a funny word yes, but it's sickening clouds that it causes aren't anything to laugh about. Smog causes fuel clouds that can contaminate you with deadly fuels or even make you sick. In source 2 it says; They even had to out law people from driving in Paris, due to the smog clouds it built. Almost 4,000 drivers were fined, and many had their cars impounded due to their reactions. It's maybe not a bad thing to have your head in the clouds, but it's a terrible thing to have your fuel in the clouds.