| Answer | Crossword Clue |
|---|---|
| SHALES | Synthetic fuel sources |
| SNG | Synthetic fuel: Abbr. |
| PEATS | Fuel sources |
| PEATBOGS | Fuel sources |
| ENERGYBARS | Fuel sources |
| BIODIESEL | Fuel made from vegetable sources (and a 2006 dictionary addition) |
| Answer | Crossword Clue |
|---|---|
| SHALES | Synthetic fuel sources |
| SNG | Synthetic fuel: Abbr. |
| PEATS | Fuel sources |
| PEATBOGS | Fuel sources |
| ENERGYBARS | Fuel sources |
| BIODIESEL | Fuel made from vegetable sources (and a 2006 dictionary addition) |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.