| Answer | Crossword Clue |
|---|---|
| TEXASTEA | Crude oil, informally |
| TEXASTEA | Crude oil |
| BARREL | Crude-oil unit |
| OPEC | Crude-oil cartel |
| BENZENE | Component of crude oil |
| OPEC | Crude-oil cartel, briefly |
| BUTENE | Hydrocarbon obtained from crude oil |
| DIESEL | Engine that burns crude oil. |
| BUTENE | Carbon compound found in crude oil |
