Grease and flour two 9x5" loaf pans. Set aside.
Preheat oven to 350 degrees F.
In large bowl, combine flour, baking soda, baking powder, salt, cinnamon, nutmeg, and cloves. Whisk to combine.
In large bowl with electric mixer, beat together eggs, granulated sugar, and brown sugar.
Add pumpkin, Greek yogurt, and vanilla extract, beating until well combined.
Slowly add dry ingredients, just until combined.
Fold in shredded zucchini and chocolate chips.
Pour batter evenly into prepared loaf pans.
Bake in preheated oven for 40-50 minutes, or until knife or tester comes out clean.
Cool in pan for 20 minutes, then remove from pan and cool on wire rack completely.
Enjoy!