Preheat the oven to 350 degrees farenheit.
Line a baking pan with parchment paper or a silicone liner.
Combine the vegetable oil, brown sugar and white sugar in a large bowl. Stir for about 1 minute.
Add in the pumpkin puree and vanilla extract, and stir it all together.
Add in the eggs and stir the mixture until the eggs are just combined in.
Dump in the flour, baking powder, baking soda, salt, cinnamon, nutmeg, ginger, and cloves.
Stir it all together till you have a nice soft batter.
Carefully scoop the batter by the 1 1/2 Tablespoon full onto the prepared baking pan.
Put the pan into the oven and allow the "cookies" to bake for about 9 to 11 minutes (mine took 10) until they are cooked through and a toothpick can be inserted into one and comes out clean.
Let the whoopie pies cool on the pan for about 10 minutes then transfer them to a cooling rack to cool completely. (Don't place them too close to one another as they tend to stick to each other if touching)