| Answer | Crossword Clue |
|---|---|
| SYNFUEL | Shale oil, for instance |
| SPEWER | Oil well, for instance |
| KEROSENE | Shale oil product |
| KEROGEN | Source of shale oil |
| Answer | Crossword Clue |
|---|---|
| SYNFUEL | Shale oil, for instance |
| SPEWER | Oil well, for instance |
| KEROSENE | Shale oil product |
| KEROGEN | Source of shale oil |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.