Shale gas use growing in US. - Although the financial crisis has dragged the US into recession, shale gas production has experienced “a beneficial counter cyclical effect” according to IHS Global Insight. Shale gas currently accounts for 34% of natural gas production and is expected to reach 43% in 2015 and 60% by 2035. The development of this industry helped make a contribution worth $76.9 billion to GDP in 2010. This figure is expected to reach 118.2 billion in 2015 and 231.1 billion...