Congress is back, but an energy bill languishing in its chambers for nearly a year may have to wait until next year.

A number of clean energy groups, including conservative clean energy advocates with ClearPath, would like to see a comprehensive energy bill passed in the lame-duck session of Congress in the next three-four weeks. But with the transition to a Republican White House in full swing and Republicans holding majorities in Congress, it may not be a priority until next year.