NEWTON AYCLIFFE, ENGLAND - SEPTEMBER 03:  British Prime Minister David Cameron speaks to guests at the opening of the Hitachi Rail Europe's rail vehicle manufacturing facility on September 3, 2015 in Newton Aycliffe, England. The £82 million facility will produce the Intercity Express Programme trains for the East coast main line and Great Western Rail line and is expected to bring hundreds of jobs to the region.  (Photo by Ian Forsyth/Getty Images)