No longer a joke?

The idea of "gas station sushi" has always served as a comic concept, the joke being in the sharp contrast between a dusty, smelly filling station and a gourmet food such as sushi (don't eat it myself, but it's supposed to be kinda ooh-la-la).

Here's a fellow who turned the joke into an opportunity: "This North Carolina Gas Station Is Serving Some Of The South's Best Sushi".