| Answer | Crossword Clue |
|---|---|
| OPEC | Powerful energy grp. |
| OPEC | Powerful energy cartel |
| OPEC | Powerful energy cartel (abbr.) |
| OPEC | Powerful energy-market gp. |
| AMA | Powerful advocacy grp. |
| EPA | Clean energy grp. |
| EPA | Grp. that introduced "Energy Star" labeling |
| OPEC | Grp. with an Energy Studies Department |
| OPEC | Grp. that has energy users over a barrel? |
