| Answer | Crossword Clue |
|---|---|
| CHU | Former Energy secretary Steven |
| CHU | Energy Secretary Steven |
| CHU | Former Energy Department head Steven |
| HAZEL | Former Energy Secretary O'Leary |
| OLEARYS | Former Energy Secretary Hazel et al. |
| PENA | A Clinton Energy Secretary |
| STEVEN | Obama energy secretary Chu |
| OLEARY | Energy secretary under Clinton |
| CHU | Obama's secretary of energy |
| STEVEN | Energy secretary Chu under Obama |
| PENA | Clinton Transportation and Energy Secretary |
| PENA | Secretary of energy under Clinton |
| OLEARY | '90s Secretary of Energy Hazel |
| OLEARY | 1990s Secretary of Energy Hazel |
