| Clue | Source | Date |
|---|---|---|
| Antique island whose name implies absence of a state of matter | ||
| One meaning of E | Newsday | 08 May 2022 |
| Common sign during a 1973 shortage | USA Today | 05 Jan 2019 |
| Common sign during a 1973 shortage | ||
| "E," on dashboards | LA Times Daily | 06 Jun 2017 |
| 'E,' on dashboards | The Washington Post | 06 Jun 2017 |
| "E," on dashboards | ||
| What "E" may signify |