Stir cocoa and baking soda in bowl. Blend in 1/3 cup oil, add boiling water, stir until mixture thickens. Stir in sugar, eggs and remaining 1/3 cup oil. Stir until smooth. Add flour, vanilla, salt, and blend togehter. Add chocolate chips for extra chocolate. Pour into greased 13x9 pan or 2 8" square pans. Can add chopped nuts.