| Clue | Source | Date |
|---|---|---|
| Riding together | Commuter | 22 Dec 2025 |
| Riding in the far-left lane, perhaps | LA Times Daily | 08 Jul 2017 |
| Riding in the far-left lane, perhaps | The Washington Post | 08 Jul 2017 |
| Riding in the far-left lane, perhaps | ||
| Gas-saving plan | ||
| Fuel-saving strategy |