| Clue | Source | Date |
|---|---|---|
| Convenient stops | Universal | 18 May 2025 |
| Termini of many snack runs | ||
| Small businesses? | LA Times Daily | 25 Nov 2023 |
| Gas station conveniences | New York Times | 02 May 2023 |
| Wawa and 7-Eleven | LA Times Daily | 24 Oct 2018 |
| Wawa and 7-Eleven | The Washington Post | 24 Oct 2018 |
| Filling station adjuncts | Wall Street Journal | 14 Jun 2018 |
| Filling station adjuncts | ||
| Wawa and 7-Eleven | ||
| 7-11's, e.g. |