| Answer | Crossword Clue |
|---|---|
| ESSO | Humble Oil gasoline brand |
| ESSO | Humble Oil brand |
| SINCLAIR | Oil and gasoline giant |
| fueling | Fill up (a vehicle, aircraft, or ship) with oil or gasoline |
| fuelling | Fill up (a vehicle, aircraft, or ship) with oil or gasoline |
| fuelled | Fill up (a vehicle, aircraft, or ship) with oil or gasoline |
| petroleum | A liquid mixture of hydrocarbons that is present in certain rock strata and can be extracted and refined to produce fuels including gasoline, kerosene, and diesel oil; oil |
