Lenten Orange Cake

1 cup refined sugar
1 cup vegetable oil
1 cup orange juice
1 tsp baking powder
1/2 tsp baking soda
1 cup chopped walnuts
2 1/4 cups all purpose flour

Preheat oven to 375 deg. Mix sugar, oil and juice at medium speed of electric mixer until well blended. Add baking powder, soda, and blend well. Mix in flour until blended; and add nuts. Pour into a lightly greased 9 x 14 pan. Bake one hour, or until toothpick comes out clean.