DIESEL
| Date | Clue |
|---|---|
| 2025-07-28 | Combustible fuel for trucks |
| 2024-12-02 | Fuel choice for many trucks |
| 2024-08-14 | Pump option |
| 2022-10-09 | Fuel option |
| 2022-02-06 | Pump choice |
| 2021-09-08 | Pump option |
| 2020-12-24 | Kind of engine |
| 2018-11-11 | Semi fuel |
| 2016-12-08 | Engine type |
| 2013-04-11 | Pump option |
| 2012-07-22 | Pump choice |
| 2011-10-02 | Truck fuel |
| 2010-09-26 | Engine type |
| 2010-01-29 | Motor ship driver |
| 2006-05-12 | Service station sign |
| 2005-06-16 | Oil burner |
| 2004-04-24 | Big vehicle's need |
| 2004-02-26 | Gas station choice |
| 2003-03-06 | Engine type |
| 2001-08-12 | Kind of fuel |
| 2000-10-16 | Fuel for big rigs |