Russia's South Stream pipeline splits EU energy policy | Reuters

http://www.reuters.com/article/2014/04/17/us-ukraine-crisis-gas-souths

Europe may replace Russian gas with US coal | The Daily Caller

http://dailycaller.com/2014/04/17/europe-may-replace-russian-gas-with-

Impossible for Europe to stop buying Russian gas, says Putin - Economic News | Ireland & World Economy Headlines |The Irish Times - Thu, Apr 17, 2014

http://www.irishtimes.com/business/economy/impossible-for-europe-to-st

Ukraine Seen Building Support for U.S. Natural Gas Export - Bloomberg

http://www.bloomberg.com/news/2014-03-04/ukraine-seen-building-support