Preheat oven to 350 F.
Sift together the dry ingredients. In a separate bowl, combine the vegetable oil, water, canned pumpkin, and eggs. Slowly add the dry ingredients to the wet, and mix until blended.
Pour batter into greased muffin tins, about 3/4 of the way full. Bake for 15-20 minutes. Top with your favorite chocolate icing, and serve.