The average cost of a roof mounted wind turbine is around Â£2,000 which will also need to be maintained (The Energy Savings Trust estimate that this could cost Â£100 to Â£200 per year). Find our list of roof mounted turbine manufacturers here.
You can substitute vegetable oil, cup for cup, for shortening. Using oil versus shortening will change the texture of baked goods. The shortening, being a solid fat, will add more air to the batter when beaten in, giving the end product more of a cakey structure rather than the more dense structure oil will give. Ultimate Baking Secrets Revealed.
Shortening Substitutes. What is a good shortening substitute? Substitutes for shortening include butter, coconut oil and other items used in accordance with our table. When substituting, beware that shortening is usually referenced in the solid form, as in cans of Crisco. But Crisco can be used in recipes both in the solid form and in the melted or liquid form.