UK needs to start fracking before touting benefits - report

By Susanna Twidale LONDON (Reuters) - Britain should begin exploratory drilling or fracking of shale gas sites to allow the industry and government to fully assess its economic benefits for the country, a shale gas industry-funded task force said on Tuesday. Britain is estimated to have substantial amounts of shale gas trapped in underground rocks and Prime Minister David Cameron has promised to go "all out for shale", hoping it will help reduce dependence on energy imports, generate additional