Very interesting tale http://www.memories-book.co.uk/blog/simple-essay-questions/ coffee respond essay air pollution ham The big supermarkets price locally, claiming it is too expensive to have a national price. Tesco last night said: "Our clear goal is to be competitive on petrol and diesel in local catchment areas for each store, so Tesco does not operate with one national price. This is the case with all other petrol retailers in the UK." Sainsbury's said it regularly review its prices to "provide customers with great value".