| Clue | Source | Date |
|---|---|---|
| Suddenly stops working, as an engine | New York Times | 15 Dec 2025 |
| Stiffens, as one's back | New York Times | 06 Aug 2024 |
| Suddenly stops working, as an engine | LA Times Daily | 23 Apr 2020 |
| Suddenly stops working, as an engine | The Washington Post | 23 Apr 2020 |