Peculiar

So, I stopped for gas today in a tiny little town in OK. This sign was out front of the Shell station. Granted, I haven't watched tv or really read the news in about a month, but, is there a "fake gas" scheme that I'm not aware of? And since the neighboring Mobil gas station doesn't have one of these signs, what are they pumping up, exactly?

I decided it would be Shell. I got out, ran my credit card, and was greeted with....

Sent from my iPhone