| Answer | Crossword Clue |
|---|---|
| ATOM | Energy source in a small package |
| ATOM | Small energy source |
| AAABATTERY | Small energy source |
| AAABATTERY | Small source of energy |
| OIL | Energy source in drums |
| CARB | Energy source, in brief |
| STEAM | Energy source in old engines |
| PLANET | Source of energy, in astrology |
| OFFSHOREOIL | Energy source in the news |
