Retailers have urged John Healey to slash green policy costs from energy bills, warning that their electricity costs are set to soar by £440m this year. The British Retail Consortium (BRC) – which represents top retailers including Tesco, Sainsbury’s and Marks & Spencer – has warned that rising “policy costs” on energy bills will inevitably push up prices for shoppers. The Chancellor “must take immediate action to reduce the plethora of policy levies” pushing up energy costs for high…