he steel fermentation kettle.In the last two years, the price of barley has doubled to 200 euros (US$271) from 102 euros per tonne as farmers plant more crops such as rapeseed and corn that can be turned into ethanol or bio-diesel, a fuel made from vegetable oil.As a result, the price for the key ingredient in beer -- barley malt, or barley that has been allowed to germinate -- has soared by more