SIOUX FALLS, S.D. (Dakota News Now) - January 10th is National Cut Your Energy Costs Day, a day to raise awareness of how homeowners can reduce energy costs and improve energy efficiency.

D.C., and area and district administrative offices — are included in the National Day of Observance. Regular operations will resume on Friday, Jan. 10.

All Postal Service facilities — including headquarters in Washington, D.C., and area and district administrative offices — are included in the National Day of Observance. Regular operations will ...