July 1, 2014 7:12 am Md. Gas Tax, Other Laws Go Into Effect Tues. A slew of new laws go into effect across D.C., Virginia and Maryland this Tuesday. Read on to check out some of the new laws and how they may affect you. Local 1:11 Woman found shot to death inside car in Landover 2:14 ‘She loved to laugh': Family of 3-year-old shot, killed in DC asks for justice 1:48 DC police search for gunman who shot and killed 3-year-old child 1:11 What to do if you see a black bear 1:56 3-year-old child shot in Southeast DC