Preheat the oven to 350 degrees. Spray a loaf pan with cooking spray.
In a large bowl mix together the sugar, brown sugar, vegetable oil, eggs, and pumpkin puree. Mix well.
In another bowl combine the flour, baking soda, salt, cloves, pumpkin pie spice, and cinnamon.
Add the wet ingredients to the dry ingredients and mix until just combined.
Pour the batter into the prepared pan.
Sprinkle the chopped pepitas over top of the batter.
Bake for 55-60 minutes or until a toothpick inserted into the center comes out clean.