| Answer | Crossword Clue |
|---|---|
| GREASIEST | Most covered with oil |
| SLICK | Covered in ice or oil |
| GRIMIEST | Most dirt-covered |
| DEWIEST | Most condensation-covered |
| ONELANE | Like most covered bridges |
| CAUCASUS | Regional source of most Russian oil. |
| SAUDIS | Producers of the most Mideast oil |
