Cream margarine, oil and
sugar. Add eggs, vanilla and sour milk. Beat well with mixer. Mix
together dry ingredients and add to creamed mixture. Beat well with
mixer. Stir in diced zucchini. Spoon batter into greased and floured
9"x13" pan and sprinkle
top with chocolate chips. Bake at 325° for 40-45 minutes or until
toothpick comes out clean and dry.