GRANGEMOUTH, SCOTLAND - SEPTEMBER 27:  Jim Ratcliffe CEO of INEOS and senior executives attend a press conference at the Grangemouth plant as the first ship carrying shale gas from the US arrives in the Firth of Forth on September 27, 2016 in Edinburgh, Scotland. The tanker is the first of eight shipping ethane from US shale fields, in a two billion dollar investment by chemical company INEOS.  (Photo by Jeff J Mitchell/Getty Images)