Preheat oven to 350°. Spray 13" x 9" baking pan with cooking spray.
In a small bowl, combine flour, baking powder, orange peel, cinnamon, salt, nutmeg, ginger, and cloves.
In a large bowl, combine sugar, apple sauce, pumpkin, whole egg, egg white, and oil.
Add flour mixture to apple sauce mixture, stir until well blended. Stir in chocolate chips.
Spread batter into prepared pan. Bake 25-30 minutes or until toothpick inserted in center comes out clean. Cool on wire rack for 15 minutes and then cut into bars.