Or both. The two departments should be combined.
And I think energy secretary is what she may want to do. When asked whom she may endorse, she has said that the number one criteria would be the candidate's energy policy.
If you'll look on Newt's website, his energy policy is a framework that I think Sarah could work well within, and the specifics could have come from her own mouth.
She wants no part of a campaign, it seems, so yes, I hope Newt is talking with her about the energy secretary post.