01:06Business MattersUS State approves controversial oil pipelineBBC World Service Duration: 53 minutes Tue 21st Nov 2017, 01:06 on BBC World Service Americas and the CaribbeanAvailable for over a yearListen nowNebraska's approval clears the way for the Keystone XL pipeline Show more GenresNewsFormatsDiscussion & TalkBrandBusiness Matters Source: BBC Online