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.
It is not appropriate to use oil unless shortening is to be used in a melted form, such as for frying. Olive oil is generally the best oil to substitute for shortening, as it is healthier than most. However, olive oil is not appropriate for baked goods which are sweet. In these cases, go with a different vegetable oil.Lard. Many shortenings are based on lard, so this makes a good substitution for shortening. When using lard as a substitute for shortening, use 2 tbsp less than 1 cup--this makes a Ã¢--cup for every 1 cup of shortening called. fort is not appropriate to use oil unless shortening is to be used in a melted form, such as for frying. Olive oil is generally the best oil to substitute for shortening, as it is healthier than most. However, olive oil is not appropriate for baked goods which are sweet. In these cases, go with a different vegetable oil.