Telegraph.co.uk | SNP's economic case 'in tatters' after oil forecasts cut by a third Telegraph.co.uk The most that oil and gas is projected to contribute to the public purse in any single tax year between 2017/18 and 2021/22 is £1 billion. Labour and the Tories pointed out that the Scottish Government had Scottish revenues of up to £11.8billion in ... Scottish Independence case in 'tatters' after downgraded oil forecasts, opposition claim SNP's oil estimate halved by industry expert |