Fracking's backers say it will deliver a quick, cheap way of cutting carbon emissions. The latest analysis shows none of these claims stands up
Ed Davey, secretary of state for energy and climate change,
derided Browne's "regrettably partial" analysis and addressed the myth that shale gas is all set to flow and transform the UK's energy future: "Until we have more certainty about the potential scale and costs of shale gas production in the UK it is unwise to assume it will be some kind of silver bullet."