Pessimism reigns among oil and gas chief executives, according to a survey by PricewaterhouseCoopers (PwC), with geopolitical uncertainty and shifting government regulations topping the list of near-term threats. Nearly three-fourths of the 71 oil and gas leaders that participated in PwC's survey said that the energy industry faces more threats now than three years ago - an unsurprising finding, considering oil prices are down roughly two-thirds since 2013.
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