The Nabucco pipeline, scheduled to start construction in 2010, would ship gas from the Caspian region and the Middle East.
The recent gas dispute between Russia and Ukraine, which led to a severe energy crisis across Europe, may breath new life into a troubled pipeline project designed to wean the European Union off its dependence on Russian gas supplies, experts say.
At the same time, they warn of many hurdles facing the $12 billion project, which has come to symbolize the EU's struggle to find a common energy policy.
"[The Nabucco project] is being talked a lot about again. I think the EU has been shaken up by what happened over the slow pace at which it tackles energy security and diversification," says Amanda Akcakoca, an analyst at the Brussels-based European Policy Centre. "The issue ... should be taken more seriously and ... there are signs that this is being done, but the proof of the pudding is in the eating."
Europe gets a quarter of its gas from Russia, with 80 percent of it passing through Ukraine. Some countries, like Bulgaria, are almost entirely dependent on Russia's Gazprom for their gas and were left shivering after the supply through Ukraine was cut earlier this month. At one point, Slovakia threatened to restart some of its Soviet-era nuclear reactors.