ANKARA, Turkey, March 13 (UPI) -- Iran's possible participation in the planned Nabucco natural gas pipeline project for Europe is not welcome, U.S. officials said.

WASHINGTON, July 10 (UPI) -- The U.S.-backed Nabucco natural gas pipeline meant to ease European energy dependence on Russia is bordering on impracticality, officials say.

SUKHUMI, Georgia, May 11 (UPI) -- A U.S. envoy arrived Saturday in the breakaway region of Abkhazia in Georgia in an effort to find a peaceful solution to the impasse there.

Iranian gas needed for Nabucco debatable; TransCanada answers questions on Alaska gas pipeline; Israel announces Ashkelon pipeline leak after rocket threat ends; Keystone pipeline gets OK from Washington

Transneft begins Kozmino end to ESPO oil pipeline; Iraq, Turkey, U.S. hold gas pipeline talks; Reliance says East-West pipeline ready in three months; E.ON and Gazprom to use Nord Stream pipeline gas for new power station

WASHINGTON, Feb. 29 (UPI) -- The third official energy meeting involving Iraqi, Turkish and U.S. officials began Friday in Istanbul, and though a top State Department official doesn't expect "huge breakthroughs," he hopes to see progress in developing a gas pipeline that will eventually feed Europe's demand after edging out Russia and excluding Iran.

Russian-Serbian deal on South Stream muddies Europe's gas waters; U.S. backs Nabucco for EU, critiques Russia; China-East Asia pipeline construction starts; Six vie for Emirates' Dolphin pipeline

BAKU, Azerbaijan, Aug. 3 (UPI) -- Azerbaijan remains the most favorable route for the export of Turkmen gas, a U.S. State Department official said.