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 is any type of solid fat used to prevent the formation of a gluten matrix in baked goods. Lard, hydrogenated (solidified) oils, and even butter can be used as shortening, although in the mainstream market shortening often refers solely to hydrogenated oils.hortening refers to the process of a fat interfering with the formation of a gluten matrix in dough. This process is important for many baked goods, such as pie crusts, because gluten creates a gummy or chewy end product.