Nabucco gas pipeline at a glance

Here are basic facts about the Nabucco gas pipeline agreed Monday among Turkey, Bulgaria, Romania, Hungary, and Austria.

—WHERE: Across the five signatory countries — from Ankara, Turkey, to Baumgarten, Austria — carrying gas from Central Asia to Western Europe.

—SUPPLIERS: Iraq, Egypt, Syria, and Turkmenistan said they were ready to offer gas. Azerbaijan and Kazakhstan have yet to confirm participation, while the U.S. says it will block Iranian participation until its relations improve with the West. Qatar may ship liquefied natural gas, while Russian gas supplies are not ruled out.

—BUILDERS: Consortium including BOTAS AS of Turkey, Bulgarian Enegy Holding EAD, MOL Plc of Hungary, OMV Gas & Power GmbH of Austria, RWE AG of Germany, and Transgaz SA of Romania. Each has a 16.67 percent stake in Nabucco Gas Pipeline International GmbH.

—WHEN: Construction of 2,050 miles (3,300 kilometers) to start in 2011. Operations to start in 2014.

—COST: euro8 billion ($10.26 billion), according to the EU.