| Clue | Source | Date |
|---|---|---|
| Part of central London toured by female engine driver? (7) | The Guardian Cryptic | 12 Nov 2024 |
| Fuel can very hot inside | ||
| Hybrid fuel | Eugene Sheffer | 14 Jun 2019 |
| Fuel very hot, cooler outside | ||
| Low-ethanol fuel blend | New York Times | 25 Jul 2016 |
| Hybrid fuel | The Washington Post | 18 Mar 2016 |
| Juice of note served in jug | The Times Cryptic | 28 Jan 2016 |
| Low-ethanol fuel blend | ||
| Girl covers part of London to find fuel | ||
| Fuel also called the 'E10 blend' | The Chronicle of Higher Education | 06 Feb 2015 |
| Fuel also called the "E10 blend" | ||
| Hybrid on the road? | ||
| Mix in a tank | ||
| Hybrid fuel | ||
| Hybrid fuel | ||
| E10 blend | ||
| Fuel mixture | ||
| Fuel hybrid | ||
| Fuel hybrid | ||
| Alternative fuel | ||
| Hybrid fuel | ||
| Hybrid fuel | ||
| Hybrid fuel | ||
| Alternative fuel | ||
| Fuel mixture | ||
| Hybrid fuel | ||
| Fuel hybrid | ||
| Fuel saver |