Guardian: The European commission announced an overhaul of the EU’s VAT system today in its latest attempt to prevent its much-vaunted carbon trading system being riddled by multimillion-pound fraud. Criminals who for years had been ripping off VAT from finance ministries around the EU on the trade of items such as mobile phones and computer chips have recently moved in on Europe’s EUR90bn (£81bn) carbon market. Last month Revenue & Customs raided 27 businesses and private addresses …