Are you confusing cause and effect?
Here is a better article, but does not mention gas exports aspect:
Livni Warns: No Peace Talks May Lead to EU Boycott
Arutz Sheva - Israel National News ^ | First Publish: 7/2/2013, 3:14 AM | Elad Benari
http://www.freerepublic.com/focus/f-news/3038017/posts