Chocolate Zucchini Cake

2 c sugar
3/4 c shortening
1/2 c milk
2 t vanilla
1/4 c oil
3 eggs
2 1/2 c flour
1/2 c cocoa
1 1/2 t baking soda
2 c shredded zucchini
1 c chocolate chips

Grease 9" x 13" pan. Preheat oven to 350. In large mixing bowl blend shortening and sugar until smooth. Add eggs, mix, add milk, mix, add vanilla and oil, mix. In another bowl, combine remaining dry ingredients and then stir into creamed mixture. Fold in zucchini and then chocolate chips. Bake for 60 minutes, checking at 45 or 50 minutes.