Preheat oven to 325 and grease the pan.
In a large bowl, beat oil and honey together. Add eggs, and mix well.
Stir in pumpkin and vanilla.
Stir in flour, salt, and spices.
Add baking soda to hot water, stir to mix, then add to batter.
Spread in prepared pan and bake for 25-30 minutes.
Let cool on wire rack before slicing.