He’ll have rookies in key Cabinet posts — the EPA, Interior and possibly Energy. And Republicans — and even some Democrats — have made clear there’s no political will for sweeping national policy shifts.

Energy insiders say the White House will dribble out executive actions and federal rules over the next four years — the same low-key, bureaucratic approach the administration has taken since 2009. …

“I think he is serious about making an effort,” said Billy Pizer, a former top Obama energy aide at the Treasury Department. “Real estate in major speeches is valuable.”

Another senior Obama administration official agreed.

“He led off with climate change. I don’t think you can ask for more than that,” said the official, who also urged caution about not expecting too much too soon. “A little bit of patience is warranted, but there has been a lot of strategy work going on.”